Coinbase CEO Suggests Exchange Won't Censor Transactions on Ethereum

Brian Armstrong expressed his preference not to censor transactions to and from sanctioned addresses after the blockchain's transition to proof-of-stake.

AccessTimeIconAug 18, 2022 at 4:43 p.m. UTC
Updated Aug 18, 2022 at 6:52 p.m. UTC

Anna Baydakova is an investigative reporter with a special focus on Eastern Europe and Russia. Anna owns BTC and an NFT.

Crypto exchange Coinbase (COIN) would rather quit the Ethereum staking business than censor the network to comply with sanctions, CEO Brian Armstrong suggested in a tweet on Wednesday.

On Twitter, Ethereum developer Lefteris Karapetsas asked Coinbase, Kraken and other centralized exchanges what they would do should the U.S. government demand that they comply with sanctions and block transactions related to blacklisted Ethereum addresses. The question has become a hot topic in the crypto community after last week's sanctioning of Tornado Cash, a crypto mixing service.

Centralized exchanges are among the biggest validators on Ethereum's proof-of-stake (PoS) chain, which is now in a testing mode but soon will become the main network as the platform's developers are planning to abandon the current proof-of-work (PoW) consensus mechanism.

Karapetsas tweeted on Sunday:

"If regulators ask you to censor at the #ethereum protocol level with your validators will you:
A) Comply and censor at protocol level
B) Shut down the staking service and preserve network integrity,"

Three days later, Armstrong replied:

"It's a hypothetical we hopefully won't actually face. But if we did we'd go with B i think. Got to focus on the bigger picture. There may be some better option (C) or a legal challenge as well that could help reach a better outcome."

Armstrong also voiced support for Tornado Cash developer Alexey Pertsev who was arrested in the Netherlands last week. The Coinbase CEO tweeted that "no developer should be arrested for publishing open source software, even if that software is used by bad actors.".

But whatever he thinks about sanctioning open-source technology, "hopefully obvious point: we will always follow the law," Armstrong said.

In proof-of-stake blockchains, validators lock up, or stake, their tokens in a smart contract as a guarantee they will behave honestly. For correct validation, they are rewarded with new tokens. If they fail to validate properly, their stake can be "slashed" by the protocol.

Some centralized exchanges, which already hold their users' tokens, also offer to stake clients' ETH for them within a larger staking pool for a share in the staking rewards. Coinbase, for one, will benefit greatly from its staking business after Ethereum switches to PoS, J.P. Morgan said.

However, recent efforts by governments to control even decentralized cryptocurrency projects and enforce sanctions, including the Dutch police's arrest of Pertsev, signal a potential hard choice for exchanges: to impose sanctions on the protocol level or forfeit their staking profits.

Eric Wall, chief investment officer at Arcane Assets, believes the community must force centralized exchanges to quit staking altogether, before it's too late.

"Make Coinbase, Kraken, Bitcoin Suisse etc. understand that complying with OFAC is not an option. It will result in slashed stakes for all their customers and the end of their business. Make them unstake now if they don't plan to uphold censorship resistance," Wall tweeted, referring to the Treasury Department's Office of Foreign Assets Control.


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Anna Baydakova is an investigative reporter with a special focus on Eastern Europe and Russia. Anna owns BTC and an NFT.

CoinDesk - Unknown

Anna Baydakova is an investigative reporter with a special focus on Eastern Europe and Russia. Anna owns BTC and an NFT.