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.
Karapetsas tweeted on Sunday:
Three days later, Armstrong replied:
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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