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Core Research
Networks
Analyzing Stake Distribution and Diversification on the Cosmos Hub
Decentralization in Proof-of-Stake is a multifaceted topic.
September 10, 2019
5 min read

Decentralization in Proof-of-Stake is a multifaceted topic. Many theories and designs have been suggested in the wider ecosystem on how a PoS system may decentralize power over multiple entities. The Cosmos Hub is one of few of these experiments that has been live for a couple of months. The following analysis covers stake distribution and diversification on the Cosmos Hub and aims to shine some light on how token holders have actually engaged with this early PoS network.

In a PoS network, the way token holders decide to participate in staking influences power distribution in the network. Do holders stake tokens themselves, do they pick one validator and stick with it, or do they diversify across validators? Diversifying stake should come with benefits: it lowers the impact a slashing would have on the token holder and helps to support different entities, thus strengthening decentralization and the ecosystem in general.

The Data

To find out how Atom token holders are participating in staking, I took a snapshot of data from the 5th September using the Stargazer API (thanks to Certus One for providing this API). The data takes into account all active delegations, as well as their size and the corresponding delegator and validator addresses. It should be noted that addresses don’t equal entities, there could be holders that hold their funds in different addresses, or holders that share addresses (exchanges/custodians), which will not be reflected in the following analysis.

Let’s start with a summary of the snapshot data. In total, at the time of the snapshot, 177,771,881 Atoms were being staked. The snapshot contains 11,387 active delegations from 6,459 addresses on the Cosmos Hub, which means the average address has 1.76 active delegations. From that we can already see that a large number of holders don’t seem to diversify.

Exploring Stake Distribution

Before we go more in-depth regarding stake diversification, let’s first consider the stake distribution. The following graph shows Atoms at stake with validators ordered by stake and colored according to the commission rate bracket that the validator belongs to (5% or lower, between 5–10%, and greater than 10%).

Stake distribution among the 100 active validators on the Cosmos Hub. Gini Coefficient = 0.7366. (Date: 05 Sep 19)

Looking at this we can see that the largest validators either charge a low commission rate below 5%, while others charge above 10%. These often signify funds that validate their own stake, or providers that focus on larger holders. Looking at the validator set ranked by stake visualizing the amount of addresses that delegate stake to them, we can see that low fee validators are popular especially among smaller holders. The top 3 validators by number of delegations charge no or a low fee:

Number of delegators among the top 100 active validators on the Cosmos Hub. (Date: 05 Sep 19)

This graph also contains some interesting outliers: e.g. Huobi Wallet on rank 43 has delegation from 636 addresses. Similarly, Coinone Node on rank 15 has 745 delegators. Both of these are exchange run validators. Another interesting mention is Cosmostation at rank 7, who managed to attract 678 delegators to their validator with a 12% fee, potentially a result of their successful wallet.

Exploring Stake Diversification

Now that we got an overview of stake distribution among validators, let’s take a closer look at delegations and the addresses they are coming from:

Summary statistics of the Cosmos Hub stake distribution data set. (Date: 05 Sep 19)

This data contains some interesting insights. For one, only about a quarter of addresses actually diversify their stake, but together these addresses account for about 64% of the total stake. What this means is that addresses that diversify on average hold about 5 times as many Atoms as those that don’t, providing us with insights that diversification is more popular with larger holders.

Taking a closer and counting the number of addresses given how many active delegations they have (n), we see a swiftly declining curve. While there are still 786 addresses with 2 delegations and 347 with 3; addresses with more than 5 delegations become very rare. There are a few interesting outliers that were cut off this graph. Specifically, an address maintained by B-Harvest sports 119 delegations with low Atom amounts that were carried for tracking purposes. 6 other addresses with seemingly similar patterns (<500 Atoms across 67 to 83 validators) exist.

Counting addresses based on the number of validators that they delegate to. X = Number of Delegations, Y = Amount of Addresses. (Date: 05 Sep 19)

Finally, if we visualize the Atom amount staked by addresses sorted by the number of validators they diversify amongst, we are presented with some more data points that stand out:

Atom holdings of stakers grouped by the number of validators that they are delegated to. X = Number of Delegations, Y = Amount in Atoms. (Date: 05 Sep 19)

The peak of holdings with 36 delegations is from the Tendermint team address, which stakes ~21 million Atoms. Another peak with 46 delegations and ~7 million Atoms at stake is due to the ICF address. The most diversified address with significant holdings delegates to 51 validators. The two peaks with 16 and 18 delegations also signify well-diversified large holders.

Conclusion

In conclusion the data presented clearly indicates that Atom holders largely don’t diversify across multiple validators. In addition, we also saw a preference for low fees among smaller holders.

Our team at Chorus One believes that stake diversification is important to create a thriving validator set that engages with the network and contributes to ecosystem growth. It might be that currently token holders don’t care about diversification, are unaware of benefits, or that it is simply too hard, or not worth the effort to diversify (low slashing risks, diversifying requires increased research on validators, bad UX of having to carry out multiple transactions to delegate and to withdraw rewards,…).

We are researching ways to make participating in staking and diversifying easier. Join our Telegram to discuss and let me (@FelixLts) know what else you’d be interested in for future analysis. Interesting extensions could be to expand on differences between whales and small holders or to take a look at other Proof-of-Stake networks (e.g. Tezos). If you have a dataset for other PoS networks or want to help obtaining the relevant data please reach out.

Originally published at https://blog.chorus.one on September 10, 2019.

Core Research
Networks
Risks and Rewards when Staking Luna on the Terra Network
This article is an overview of staking on the Terra network.
August 29, 2019
5 min read

This article is an overview of staking on the Terra network. It covers risks to consider and rewards to expect, as well as how to participate.

First, let’s start with a basic description of what the Terra network is. Terra centers around an economy of price-stable cryptocurrencies that are integrated into various applications and processed on the network, e.g. via their mobile payment application CHAI. The network’s token Luna ($LUNA) mainly fulfills three purposes:

Luna is used…

  • …to mint Terra stablecoins.
  • …to ensure these stablecoins stay at their peg.
  • …as a staking token on the network.

Price Stability

The Terra protocol includes an automated market maker, a mechanism designed to algorithmically guarantee that Terra stablecoins stay at their desired peg. This is achieved as follows: the protocol enables arbitrageurs to exchange stablecoins and Luna at a fixed peg rate, which allows them to profit from deviations in the market. The protocol automatically mints or burns Luna tokens (expanding or contracting the supply) depending on how external parties interact with the protocol. Terra relies on arbitrageurs exchanging tokens with the automated market maker and trading on the open market to dynamically return Terra stablecoins to their peg. There are multiple resources that cover this mechanism in-depth, e.g. our whitepaper walkthrough or the official documentation. A key insight is that Luna is used as the lender of last resort should a stablecoin lose its peg downward. Luna holders are diluted to absorb this type of volatility.

Staking Rewards

The Terra design counters this in multiple ways. For one, rewards earned from transactions processed in the network are distributed to those staking Luna tokens. A larger portion of Luna tokens staked results in a larger share of the tx fees received. Transactions on the network charge a 0.1–1% fee per tx (capped at 1 TerraSDR). The percentage dynamically adjusts based on the demand for transactions on the network to smoothen economic cycles. Rewards are largely received in stablecoins, as most transactions on the network happen denominated in stablecoins.

Additionally, the protocol charges a small spread for atomic swaps between Terra stablecoins. These fees are distributed to validators that correctly vote on Terra price oracles (more below). Atomic swaps are capped to limit the volatility in Luna supply. Currently, the spread taken increases linearly from 2% up to 10% when the daily cap is reached.

Furthermore, the protocol also burns a portion of Luna (currently 5%) sent to the protocol when issuing Terra stablecoins. Burned Luna indirectly rewards Luna holders by contracting the overall supply. The official Terra documentation expands on these topics.

Finally, a recent change introduced an equivalent of block rewards to support the staking ecosystem while the network is in its growth phase. A community initiative that pays out a part of the Luna treasury to those staking was implemented. In the first year 21.7mn Luna have been committed to this effort. This corresponds to a ~10% staking yield at the current staking ratio (at the time of writing there are ~225mn Luna at stake, see e.g. here). In total 100mn Luna have been committed to keep staking yields competitive in the short to medium term. You can learn more about Project Santa here.

Other Features

The Terra protocol includes a sophisticated oracle design to maintain the exchange rate between stablecoins and Luna. This design is still in flux. Core to it is that validators cast votes on price feeds and receive rewards from swap fees based on the correctness of their votes (measured by considering deviations from the median of all votes).

Finally, Terra uses the remaining seigniorage (Luna sent to the protocol for minting stablecoins) to stimulate growth of the Terra economy. This is out of scope for this article (more on this can be found here or in the whitepaper).

Key Factors to Consider when Staking

The following will focus on summarizing the factors that have an influence on the staking lifecycle, as well as provide details on the currently implemented values that need to be considered.

As Terra is using a design similar to that of the Cosmos Hub, refer to our more comprehensive Cosmos Staking Primer in case you are new to staking or unclear about what is meant with some of the following terms.

Factors Impacting Luna Staking Rewards on Terra.

Reward Factors

  • Staking Ratio. The higher the share of the supply staking in the network, the lower the rewards given to those staking. Staked and total supply can be found here.
  • Transaction Fees. The protocol charges fees of 0.1–1% (capped at 1 TerraSDR per tx) on transactions happening in the network. These fees are distributed pro-rata to stakers. Higher transaction volume results in growing staking rewards for stakers.
  • Swap Fees & Oracle Voting. The protocol charges a spread between 2–10% on swaps between Terra stablecoins. Currently, every minute swap rewards are redistributed to validators that voted within 2% of the median of all price oracle votes in the previous minute. Validators consistently and faithfully participating in the price oracle are able to increase rewards for their delegators.
  • Seigniorage. 5% of Luna sent to the protocol to issue Terra stablecoins is burned, indirectly rewarding Luna holders by contracting the supply.
  • Block Rewards. At least 21.7mn Luna will be paid out to stakers in the first year of operation to subsidize the staking ecosystem in the growth phase of the network. In total, 100mn Luna have been committed to keep staking yields competitive in the short to medium term.
  • Compounding Rewards. Rewards made while staking in Terra accumulate in a pool and need to be withdrawn. Frequently withdrawing, converting these rewards to Luna, and re-staking them will increase returns through compounding.
  • Commission Rate. Each validator on the Terra network specifies a percentage that he is charging on rewards earned on delegated tokens. A higher commission rate results in lower rewards for delegators.

Risk Factors

  • Stablecoin Peg Adjustment. In case of stablecoins lose their peg downward, LUNA will be minted to stabilize the price. This mechanism dilutes Luna holders, who absorb this type of volatility.
  • Equivocation Slashing. Validators double-signing a block will lose 1% percent of their total stake (validator and delegators!).
  • Downtime Slashing. Validators missing 9,500 blocks within a window of 10,000 blocks (95%) lose 0.01% of their stake. In human terms this translates to being offline for about 15 hours and 50 minutes within a window of 16 hours and 40 minutes.
  • Jailing. When reaching the downtime threshold, validators are jailed for at least 10 minutes. During this time they won’t participate in consensus and will need to send a message to the protocol to unjail themselves again. When jailed, no rewards are earned.

Automatic Unbonding. There are scenarios in which delegators unbond from their validators and stop earning rewards from staking as a result. In all of these cases, delegators need to manually stake their tokens again. Scenarios are:

  • Validator gets tombstoned (taken out of the validator set) after double-signing.
  • Validator shuts down his operation (sets self-bond below the specified minimum self-bond).
  • Validator falls out of the fixed validator set of 100. If a validator’s stake falls below the 100th spot in terms of total stake, he will no longer participate in consensus.

Other Considerations

  • Unbonding Period. The waiting period when withdrawing stake from a validator enforced by the protocol for safety reasons is 21 days. Only after 21 days have passed withdrawn stake can be accessed. During those 21 days, no staking rewards are earned.
  • Re-Delegation. Delegators can change their validator without having to unbond. At maximum 7 re-delegations per account can take place at a time. Each re-delegation happens instantly, but the same stake can only be re-delegated again after one unbonding period.

How to Stake

To stake Luna, you need to first obtain $LUNA tokens. CoinGecko e.g. lists available exchanges. The easiest tool to stake your Luna currently is through the official Terra Station wallet. The Terra team released this guide that walks you through the wallet. Terra Station will soon also have Ledger support, meaning you can store and stake your Terra tokens on a Ledger.

Conclusion

Chorus One is operating a highly available and secure validator on the Terra network. Stake today to start earning while supporting our work. Visit our website to learn more about our Terra validator!

To re-iterate, returns from staking Luna depend on a variety of factors. Some of which are dependant on the performance of the validator you choose to delegate to, others depend on network activity and various parameters in the protocol. Do due diligence on the project and validator(s) you aim to delegate to. Take into consideration the various implications described in this article before obtaining and staking Luna.

Many of the variables described in this post are subject to change and will be governed by Luna holders to optimize for the success of the Terra economy. At Chorus One, we are excited to contribute to the success and health of the Terra network. By staking with our validator, you are supporting our contributions and the effort we put into helping Terra succeed. Follow us on Twitter or join our Telegram to stay informed and in case you have questions!

Resources

Terra Website
Official Terra Documentation (best to understand the actual protocol)
Terra Agora Forum

Chorus One Terra Whitepaper Walkthrough
Chorus One Interview with Terra Co-Founder Do Kwon

Originally published at https://blog.chorus.one on August 28, 2019.

Core Research
A Brief History of Proof-of-Stake
Human economic relationships have been based on the same basic principles for thousands of years.
August 9, 2019
5 min read

Human economic relationships have been based on the same basic principles for thousands of years.

Surety bond tablet disvocered in Nippur, Iraq (dated to 2400 B.C.)

An over 4,000 year-old tablet discovered in Mesopotamia, present-day Iraq, depicts an arrangement about the payment of corn, the currency of that era. This is the first recorded history of what we call a surety bond today.

Portrayed on the tablet are three parties: the first party is the obligee, who is expecting a payment of corn at some later point in time. The second party is the principal, who is supposed to fulfill this obligation. The obligee requires a guarantee from a third party, the surety, should the principal fail to meet their obligation. This guarantee is called a surety bond. Surety bonds are commonly requested to ensure contractual promises are met. They are usually obtained in exchange for annual premiums to account for the risk of the principal failing to meet their obligations.

But what does all of this have to do with Proof-of-Stake (PoS)?

In some sense, stake in a PoS network is a type of surety bond:

By staking tokens with a validator, a token holder is providing a surety bond to the protocol that this validator will meet his obligation to stay online and to faithfully validate transactions. The token holder provides this surety bond in expectation of future premiums; the staking rewards. In PoS networks with slashings, the protocol can claim a part of the surety bond should the principal (the validator) fail to meet his obligations, e.g. by going offline or double-signing. The difference between common forms of a surety bond and a PoS protocol is that premiums aren’t paid by the principal, but by the obligee (the protocol) itself.

Let’s fast forward a few thousand years and find out how these fundamental economic principles made it into the world of distributed systems and digital assets.

2012 — The Inception of Proof-of-Stake

  • Sunny King and Scott Nadal first suggest Proof-of-Stake as an alternative to Proof-of-Work (PoW) and coin the term staking. They describe an algorithm that chooses block producing nodes based on the amount and age of coins in an individual’s wallet. Peercoin (PPC) is released and becomes the first hybrid cryptocurrency. PPC uses PoW to distribute tokens and PoS to validate transactions.

2013 — The Early Days

  • Many cryptocurrencies follow in the footsteps of Peercoin, notable examples include pure PoS projects like NXT, which uses randomization to select block producers based on stake.

2014 — BFT, Slashing, and DPoS

  • A key turning point for PoS is when Jae Kwon first combines insights from distributed systems research and bonds in the form of a cryptocurrency in the original Tendermint whitepaper.
  • In the same year, after releasing the Ethereum whitepaper, Vitalik Buterin proposes the Slasher algorithm (giving birth to the term slashing) that could solve the theorized nothing at stake problem of other PoS implementations.
  • 2014 also marks the year in which Daniel Larimer launches BitShares, the first blockchain using Delegated Proof-of-Stake (DPoS) (later also adopted by Steemit, Lisk and EOS) in which consensus nodes are voted into the validator set by token holders.

2015 & 2016 — The Quiet Before the Storm

  • In 2015, Ethereum launches using the Ethhash PoW algorithm.
  • In 2016, the Cosmos whitepaper (a PoS blockchain using Tendermint consensus) describing a vision of an internet of blockchains emerges and Decred launches its mainnet with a hybrid system of PoW for block production and PoS for checkpointing.

2017 — Peak Hype

  • Several projects aiming to utilize PoS raise funds: Cardano, Cosmos, Polkadot, Tezos to name the most prolific (the Tezos whitepaper describing a PoS system with on-chain governance had already been published in 2014).
  • A lot of research is happening around PoS. Notably on IOHK’s Ouroboros and on the two Casper approaches: Casper CBC (a correct-by-construction approach to consensus) and Casper FFG (a finality gadget that would checkpoint the Ethereum PoW chain).

2018 — A New Ecosystem Emerges

  • A new ecosystem around operating PoS infrastructure starts forming (Chorus One is among the first embarking on this journey as a validator).
  • The Tezos blockchain launches in June 2018 and grows to over 400 validators (bakers) to date.
  • Ethereum scratches plans to implement Casper FFG as a checkpointing mechanism and combines Casper, sharding, and other Ethereum improvements such as eWASM into one: Ethereum 2.0 aka Serenity.

Pro tip: from here on developments in PoS can be followed along in the Staking Economy newsletter ;)

2019+ Proof-of-Stake Goes Mainstream?

  • After almost a year of testnets that culminated in the first incentivized testnet competition “Game of Stakes”, the Cosmos mainnet launches March 2019 as the first permissionless BFT network.
  • Eth2.0 specifications are finalized. Many Proof-of-Stake projects that raised money in 2017 or 2018 are moving into (incentivized) testnet or launch phases.

I hope this article helped you to understand the key milestones in the history of Proof-of-Stake!

Even though there is already a rich history of work around Proof-of-Stake, we are still at the very beginning. The pace of innovation is rapidly accelerating and many interesting experiments are and will be conducted. Some examples include: Polkadot’s Nominated Proof-of-Stake algorithm, anti-correlation penalties, exchange staking, as well as designs that will allow staking positions to unlock their full economic potential (e.g. delegation vouchers).

The next few months and years will show which PoS design will help enable a secure, decentralized, and performant blockchain network.

We will see the staking and decentralized finance space merging and hopefully will be able to avoid some of the outcomes that made so many fall out of love with the legacy financial ecosystem. I remain hopeful that the crypto community can solve this puzzle and create more sustainable systems for human collaboration.

Follow Chorus One on Twitter and give our podcast a listen (there’s an episode dedicated to this article)!

Originally published at https://blog.chorus.one on August 9, 2019.

Core Research
A Comprehensive Guide to the Chorus Validator Infrastructure
This week we witnessed the first slashing on the Cosmos Hub.
July 4, 2019
5 min read

This week we witnessed the first slashing on the Cosmos Hub. A misconfiguration of one of the validators led them to double-sign a block, which the Cosmos Hub punishes with a 5% slashing of staked Atom deposits:

While in this case, the slashing was neither the consequence of an attack on the network nor the result of a compromised validator key, it demonstrates that slashing is real and that validators should carefully design their infrastructure to mitigate the risk of losing their own and their delegators’ funds.

We have already published a high-level overview of our architecture earlier, as well as carried out an audit to test if our architecture is at risk to be compromised by outside attackers. Today, we are following the practices of some of our fellow validators (notably Iqlusion, Certus One, and Figment) and release a comprehensive (19-page) overview of our complete validation estate:

https://gdoc.pub/doc/e/2PACX-1vQXb1kd0zqYT8K4B4XYb-lrlfRIuPDXsgiTjj94gDOjw3ezEUAtjvxR8yfbKJypmioKeGRrhkLCtZog

A screenshot of the Chorus Validator Architecture Document.

We hope that this document will prove helpful to those eager to learn more about building and running validator infrastructure. Our architecture was designed following common security best practices without compromising the ability to scale and onboard new networks and upgrade node software swiftly, even as a distributed organization. In case you are left with questions or suggestions after reading this document, don’t hesitate to contact us on Twitter or through our Telegram community channel!

PS: Some of you that have checked out the document may have wondered why there’s no blurry pictures of our server racks; sadly, our vendor doesn’t allow mobile phones on the datafloor, so have a picture of Roosevelt, our platform engineer’s cat instead:

Happy 4th of July from Roosevelt!

Originally published at https://blog.chorus.one on July 4, 2019.

Core Research
Delegation Vouchers
Cosmos Bonded Proof-of-Stake is the first major implementation of a permission-less BFT protocol.
June 20, 2019
5 min read

A Design Concept for Liquid Staking Positions

Cosmos Bonded Proof-of-Stake is the first major implementation of a permission-less BFT protocol. The well thought out protocol features many nuances ensuring that the Cosmos Hub blockchain is performant and that the security of the system is economically guaranteed even in the presence of malicious actors. Yet, in our view, the design space of Bonded Proof-of-Stake has barely been scratched. It’s important to explore alternative designs that can improve the user experience and the economic potential of Proof-of-Stake.

During the Cosmos Hackathon (Hack4Atom) in Berlin, the Chorus One team in cooperation with Sikka implemented changes to the staking logic in the Cosmos SDK that would allow stakers to increase utilization of their staking positions and additionally allow for a more user-friendly delegation process. These changes will open up a wide range of use cases that, in the current implementation, can only be achieved through custodial counterparties (e.g. exchanges).

We achieve this by creating a representation of staking positions we call “Delegation Vouchers”; validator-specific fungible tokens that can be traded and used in decentralized finance (DeFi) products. The following post aims to lay out the details of our implementation, its advantages, and potential use cases. You can find our implemented hackathon code on Github and a recording from the hackathon presentation itself on YouTube.

Implementation Details

We implement a delegation pool for each validator on a Cosmos SDK chain. Instead of directly delegating to a validator, delegators transfer their Atoms to their desired validator’s pool. The pool automatically delegates to the respective validator and accrues rewards on behalf of the collective of delegators. Delegators receive delegation vouchers representing their share of the pool in return. These vouchers are fungible tokens that can be redeemed with the pool to receive their share of the pool’s updated holdings (a fraction of the delegated Atoms + accrued rewards — slashings). This is achieved by tracking a conversion ratio (Atoms/vouchers) between delegation vouchers and bonded Atoms for each validator pool. Accruing rewards increase the conversion ratio, while slashings decrease the conversion ratio.

The Delegation Flow using Delegation Vouchers.

All staking operations can be modeled using delegation vouchers. The user experience of staking on such a Cosmos SDK chain improves because rewards don’t need to be manually claimed by delegators anymore. Instead, rewards accrue for each validator pool on a per block basis. Unbonding is modeled as the burning of vouchers and receipt of underlying Atoms (calculated as vouchers times conversion ratio) after the unbonding period. Redelegation is modeled as the burning of vouchers combined with the issuance of new vouchers corresponding to the validator that received the redelegation. Newly issued vouchers resulting from a redelegation are non-transferable (frozen) for one unbonding period to make sure delegators remain accountable for infractions that were committed by the validator they redelegated away from.

Use Cases Enabled by Delegation Vouchers

Delegation vouchers could be traded at a discount bringing liquidity to staked Atoms, e.g. allowing delegators to sell vouchers on a decentralized exchange instead of unbonding. Additionally, delegation vouchers can be used in decentralized finance applications, e.g. as collateral in a DAI-style stablecoin system or in a Compound-like money market protocol. In addition, we believe delegation vouchers could allow for a market-based mechanism of ranking validator quality because delegation vouchers will need to be priced based upon their liquidity and the slashing risk associated with validators. Pools of delegation vouchers can be implemented allowing the creation of diversified tokenized delegation indices such as a Decentralization Index (pictured below). An example would be a Decentralization Index voucher tracking the delegation pattern of the Interchain Foundation. Holders of the Decentralization Index voucher will be able to foster geographic and voting power decentralization without requiring them to pay the mental cost of researching and evaluating validators. These are just a few of the possible use cases. Since one will be able to easily transfer delegation vouchers to other chains via IBC, they will enable permission-less and unbounded innovation.

Visualization of a Hypothetical Decentralization Index Voucher.

Advantages in Comparison to the Current Implementation

  • Unlocking the full economic potential of staking positions:
    Staked Atoms can be used in financial products, e.g. as collateral in other DeFi applications.
  • Providing a decentralized alternative to services offered by centralized custodial third parties:
    Centralized exchanges already announced that they will stake customer holdings and pay staking rewards. Thus Atom holders will benefit from liquidity as well as returns by relying on centralized third parties. In our view, this is a big threat to the Cosmos ecosystem and it’s critical to provide a level playing field for decentralized alternatives. Delegation vouchers will provide allow transferability without surrendering custody and will counteract the aggregation of Atoms with exchanges and custodians.
  • Better user experience for delegators:
    Delegation vouchers remove the need for withdrawing and re-staking rewards to achieve optimal returns. They allow users to get liquidity on their assets without having to sit out the unbonding period. Additionally, delegation vouchers could serve as the basis for staking indices that simplify (diversified) participation in staking.
  • Gas efficiency:
    Because delegation vouchers remove the need to manually claim and re-stake rewards for delegators, the new mechanism lowers the load on the network brought forth by these transactions.
  • Simplified accounting and potentially changing tax implications of staking:
    The structure of delegation vouchers might mean that they are taxed on a capital gains basis and not on an income basis (see graphic below; this is an unqualified observation, the taxation of delegation vouchers will depend on your jurisdiction).
Comparing the Current and Suggested Delegation Logic.

Associated Risks and Disadvantages

While delegation vouchers may increase the security of a PoS system because there is less need for unbonding or holding liquid staking tokens, there may also be emergent types of attacks, e.g. a validator shorting his own delegation voucher and double-signing. Implications of this model need to be researched in detail. The model also raises concerns about systemic risk that could potentially arise from multiple usage of collateral. It remains too early to definitely comment on the second and third order effects of such a design.

Next Steps

We will do a more detailed write-up and explore extending functionalities to enable products like staking indices. In the medium term, we would like to explore a proposal to change the staking model of the Cosmos Hub to increase the utilization of staked assets. If you have feedback on our design, please let us know! Reach out to us on Telegram with your comments or if you are interested in collaborating.

Originally published at https://blog.chorus.one on June 20, 2019.

Core Research
Networks
The Internet of Blockchains: Part 3 — Network Effects & Proof of Stake
This is Part 3 of a series of posts on the Chorus One blog. Part 1 and Part 2 can be found here and here.
May 14, 2019
5 min read

This is Part 3 of a series of posts on the Chorus One blog. Part 1 and Part 2 can be found here and here.

In Part 2 we discussed network effects in the context of the Cosmos Hub. In this post, we will focus on a key innovation in Proof of Stake networks: a mechanism that creates incentives for communities to build network effects.

The NFX venture fund estimates that 70% of the value created by technology startups since 1994 was driven by network effects! So it (a) pays to understand how they work and (b) pays for all stakeholders to go to every effort to nurture them. But network effects are notoriously hard to build. That is why successful startups are known as unicorns: the failure rate is extremely high. For every Uber, there are tens of thousands of “Uber for X” startups that never achieve critical mass, where they can match supply and demand across geographies, offerings etc. When a network effect scales to its full potential, hundreds of billions of dollars of value can be created. But the probability of this happening is very low. The good news is that the expected value across a well-chosen portfolio of networks can deliver great returns (just ask Union Square Ventures).

So what is the connection between Proof of Stake (PoS) networks and network effects?

Last week when I explained the staking economics of a Proof of Stake (PoS) network to a banker friend of mine, he was a little bemused. His intuition of money comes from the “time value of money”. It is the basis for almost everything they do. For bankers, money is created as debt. The person who borrows pays interest. The person who lends gets interest. Money today is better than money tomorrow. So to find out what a future income stream is worth today, you “discount it” by a factor based on the risk involved i.e. by how likely are you to actually get the money. This is at the heart of trillions of dollars of trades every day: bonds, treasuries, repos, CDs, etc. Even stocks are priced based on future income discounted back to today.

The banker’s intuition told him to find out where the interest payment is being made (or more specifically what interest rate — the price of money — was being paid), as this would explain the nature of the transaction and shine some light on the risks being exchanged. But this worldview doesn’t work for a Proof of Stake network and the intuition of the “time value of money” is fundamental to this misunderstanding.

To see why let’s shift back to the tech investor mindset above. Here money is earned based on a principle that we might call “the network effects value of money”. In this worldview, money is not created as debt, nor is the value captured as interest. Wealth is instead created by building a network that provides value to its users and capturing some of that value. As network effects grow according to the square of the user base (or maybe n log n at scale, see Metcalfe’s Law) the best way to build wealth is to scale a network globally. This effect is most mostly clearly visible with centralized networks, e.g. Google Adwords connecting publishers to advertisers, Uber connecting commuters to drivers, and so on.

The reason why crypto is getting so much attention in technology circles right now is that it has the potential to meaningfully reduce the high failure rate of these networks. As we have seen, scaling networks is hard. Anything that reduces this failure rate will increase the expected returns of investing in this space. If it turns out that crypto-powered networks are easier to scale than a typical (non-crypto) two-sided markets like Uber or Airbnb, then crypto networks will out-compete (and eventually take over from) non-crypto networks.

Proof of Stake networks utilize rewards to build network effects. Recognizing that network effects are hard to build, they reward community members that contribute to the network. They ask token holders (aka delegators) to make decisions about who runs the network nodes, via the validator marketplace we discussed in Part 2. By engaging token holders in this way, they incentivize attention through the mix of rewards and slashing. This is interesting from a psychological perspective: ongoing dopamine hits as gains accrue, loss aversion associated slashing risk, an IKEA effect as they are now actively contributing to the running the network. Together these things create a deeply engaged community, who then wants to spend more time on governance, evangelizing the network and contributing to the codebase. Validators, aware that they are being measured by these highly engaged delegators, now compete on the value they can add. So they write blogs and research reports, record podcasts, organize events, and get involved in governance. They build Dapps and tools like block explorers and wallets and contribute to the codebase and protocol specifications.

That is why trying to map crypto rewards in a PoS network to banking terms like interest is doomed to failure. It misses where the value is created and how it is captured. Inflation of PoS token supply is not about interest or yield. Instead, it creates a mechanism to fund public goods and community building on a massive scale. As the value of a network grows faster than the number of participants, this can have a very significant impact on the probability of success. It allows decentralized networks to grow faster with much lower failure rates than any other business model we have seen before.

This is the reason why smart investors have stayed in crypto. With 70% of the value created in the last quarter of a century being attributed to network effects, there are many reasons to believe that crypto-powered network effects will drive much of the growth in the next 25 years.

Stay tuned for more insights into the Internet of Blockchains in Part IV.

Core Research
The Top Cosmos Wallets to Safely Store and Stake your Atoms
We have curated a list of the current top wallets to store and delegate your Cosmos Atoms from.
April 26, 2019
5 min read

We have curated a list of the current top wallets to store and delegate your Cosmos Atoms from. Before diving into the options, I would like to remark that the safest way to store larger amounts of Atoms is on a hardware wallet. There are multiple wallets and tools that allow you to send, delegate, and participate in governance using a Ledger device. But let’s start with our list:

Lunie

Lunie is the official wallet that was first developed by part of the Cosmos team (then called Voyager). The Lunie team has now spun off as a separate company.

Lunie is available as a web and mobile wallet (in development). There’s also a Lunie browser extension that allows you to securely generate keys. Lunie enables you to safely perform every operation from sending to participating in governance through your Ledger device without having to download additional software.

Find out more at: https://lunie.io/

The Lunie web wallet validator portfolio screen.

Evaluation
+ Security audit
+ Web wallet usable with Ledger devices and browser extension
- Mobile wallet can’t store keys yet (in development)

imToken

The popular multi-asset mobile wallet with support for ETH, BTC, EOS also has a Cosmos wallet. imToken supports a lot of functions like exchanging tokens, using DApps and now also storing and staking your Cosmos Atoms!

The imToken Validator Screen (left) and Wallet Screen (right)

Evaluation

+ Multiple Assets (BTC, EOS, as well as Ethereum and Cosmos assets)
+ Many functionalities (token exchange inside the wallet, DApp support,…)
+ Available on both iOS and Android
+ Security audit

Trust Wallet

Trust Wallet, the open-source multi-currency mobile wallet, has its own staking platform that also includes Cosmos. The platform allows you to stake from the mobile Trust Wallet application (iOS and Android), as well as from Ledger devices or other wallets that support WalletConnect.

The Trust Platform Cosmos staking screen connected via WalletConnect.

Evaluation
+ Multiple ways to access (Ledger, Trust Wallet, WalletConnect)
+ Support for multiple currencies and applications
- Only supporting a subset of validators and features

Cosmostation

This slick mobile wallet is developed by the Korean team at Cosmostation, who also run their own validator and block explorer. The wallet is available as a web wallet, as well as on the Apple App Store and Google Play.

Evaluation

+ Great design and UX
+ Amount of information and features
+ Available on desktop as well as mobile (iOS and Android)
- No security audit

WeTez

Another mobile wallet from the Chinese team at WeTez, who are already experienced in staking on Tezos. They also operate a validator on the Cosmos network and educate the Chinese community around the staking ecosystem.

Evaluation

+ Support for Cosmos, IRISnet and Tezos
+ Available on both iOS and Android
- No security audit
- No governance features and little information in the interface

Other Ledger Tools

There are a variety of tools build by validators to allow for easy staking and governance participation using a Ledger device. These include delegating through the Hubble and Stargazer block explorer and the delegation tool from our colleagues at Staking Facilities, as well as our own tool. The Chorus One tool additionally allows delegators to participate in governance themselves.

Evaluation

+ Easy to use
- Limited features and only Ledger devices supported

Conclusion

There are a variety of wallet options available already today. We recommend storing large Atom amounts on a Ledger device. To do so you will need to have the Cosmos application installed on your Ledger device using Ledger Live. There are also some other wallets in development (e.g. IOV and Lunagram). We are looking forward to trying these out and seeing the wallets and tools mentioned in this article evolve.

Originally published at https://blog.chorus.one on April 26, 2019.

Core Research
Loom’s Ecosystem and Competition
In a post on the Loom blog, I recently wrote about the disruptive potential of crypto in gaming.
April 17, 2019
5 min read

In a post on the Loom blog, I recently wrote about the disruptive potential of crypto in gaming. Loom is not alone in making the realization that gaming is the perfect match for crypto. There are many other teams that aim to achieve what Loom does in different ways. Additionally, Loom faces competition from general purpose blockchains and specialized marketplace platforms for NFT assets.

On the other hand, Loom has already delivered a lot of value and many developers have started to build their decentralized gaming and other applications using the Loom framework. In many ways there are also synergies between “competing” projects.

In this post, I will shortly introduce a few of the main adjacent projects and games that are building on Loom. The whole list of companies in our crypto gaming ecosystem map (pictured below) can be found in our full thesis document on the Loom Network.

Specialist Platforms

The main competitors to Loom are other projects that aim to cater to the same use case as Loom: enabling scalable blockchain gaming. One of the main competitors here is the team at Fuel Games, the creators of games like Gods Unchained that is also building a platform to integrate decentralized assets in games at scale, leveraging state channel technology to ensure high throughput while maintaining low transaction costs.

Collectible Markets

Another area where Loom is competing in is the area of marketplaces for collectibles and in-game assets (NFTs). E.g. Enjin, who is also starting to compete with Loom on the platform level with their SDK and sidechain network Efinity, is known for their marketplace of in-game assets. Enjin already managed to foster a large community through their wallet and token.

Other competitors of Loom’s marketplace notably include OpenSea and RareBits, both of which provide an interface to browse and trade digital items.

General Purpose Blockchains

More broadly, the Loom Network as a scaling solution competes with any other project that aims to bring scale to decentralized applications. These include other Ethereum layer-2 solutions that take similar approaches, e.g. Plasma-based efforts like those by SKALE, Matic, or LeapDAO. Any general purpose blockchain implicitly competes with Loom in a way, including Ethereum itself.

Additionally, well-funded general purpose blockchains are also involved in the gaming ecosystem. Examples include EOS and Mythical Games and TRON Arcade, a $100 million commitment by the TRON Foundation to fund blockchain gaming.

Interoperability

Loom is trying to establish as a hub in the emerging network of blockchains by enabling interoperability between their and other major blockchain ecosystems, such as EOS, TRON, and Cosmos. In our interview with Matthew Campbell, this topic was discussed at length. I recommend giving it a listen if you’re interested in hearing about Loom’s strategy from the CEO himself.

Games in the Loom Ecosystem

Overall the blockchain gaming field is highly contested, and many of the first decentralized applications that saw some adoption have been games ( CryptoKitties). In the face of the alternatives mentioned above, the Loom Network has managed to attract many interesting projects to their platform. Part of this can be traced back to their commitment to build educational resources and tools that they themselves use to develop their own blockchain games. This strategy of the Loom team and their technologies will be covered in detail in another post, in the following I will introduce four games that are currently being built on the Loom Network:

ZombieBattleground

This trading card game is developed by Loom’s in-house game studio utilizing the tools and running on the technologies built by the team itself. As the name suggests, the game plays in a setting where undead creatures battle each other.

The game features Hearthstone-like mechanics with players using decks consisting of (NFT) game cards to defeat their opponents in short, round-based battles. The game is available on iOS, Android, and Steam.

Axie Infinity

One of the most well-known games being developed on Loom. The game allows you to breed, level up, and equip fantasy creatures (Axies). Axies can also battle other players in the Arena, or go on an adventure together in the story mode.

The world in which Axies live (Lunacia) is controlled by the players. There’s a land sale going on currently in which 25% of the land in Lunacia and various items will be distributed to players.

CryptoWars

This strategy game is developed by Experimental and lets players build an empire and an army to try and conquer other players’ empires. The game is completely browser-based with little animated graphics. Players earn resources by building mines and other structures, which can then be used to recruit soldiers to fight.

They are frequently hosting competitions where the best players receive a price, check here for more info.

Neon District

Neon District is a cypherpunk RPG developed by Blockade Games in which players collect and craft items to fight against evil in a dystopian setting.

Learn more about the game and the “Founder’s Sale” here.

Chorus One is operating a validator on the Loom Network. You can support us by staking your Loom tokens with us and be rewarded for helping to maintain the network. If you’re interested in staying informed about our content around staking and the networks we validate on, follow us on Twitter or join our mailing list below.

Originally published at https://blog.chorus.one on April 16, 2019.

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