Welcome to Valid Points. In today’s issue, Margaux Nijkerk writes about the dramatic reversal of censorship on Ethereum, as fewer than 1/3rd of new blocks over the past 5 days are OFAC-compliant.
Ethereum’s “censorship” problem seems to have changed course over the past six months. After the U.S. government sanctioned Tornado Cash transactions to its citizens in August, the vast majority of blocks added to the blockchain were OFAC-compliant.
Now, the share of “censored” blocks has shrunk to less than a third – in what might be seen as a comeback for Ethereum’s anti-censorship ethos.
According to the site MEV Watch, during the past weekend and into the beginning of this week, roughly one in three blocks that made it onto the Ethereum blockchain was OFAC-compliant. This means that about 30% of blocks excluded transactions sanctioned by the U.S. Treasury Department’s Office of Foreign Assets Control (OFAC), including Tornado Cash.
Flipping that around, more than two-thirds of blocks that made it onto the Ethereum blockchain over the last 24 hours are non-OFAC compliant.
Just a month ago, Ethereum validators were still censoring about 50% of blocks that made it onto the blockchain. The last time that Ethereum had such low levels of censorship was September 24, 2022.
What contributed to the reversal?
Since Ethereum went through the Merge in September, about 85% of the blocks that made it onto the blockchain participated in a middleware known as MEV-Boost, where validators can request pre-made blocks from builders.
MEV-Boost is a software that helps validators earn MEV, or maximal extractible value, which are profits that come from rearranging or including certain transactions within a block. The MEV-Boost software was innovated by Ethereum research and development team Flashbots in order to distribute MEV among validators more equally.
While MEV-Boost hasn’t been integrated into Ethereum at the protocol level, it’s widely used by the Ethereum ecosystem, as 85% of validators have relayed blocks via the middleware component. Flashbots also has its own relayer for validators to connect with, used by roughly 25% of validators.
After OFAC sanctioned Tornado Cash, there was debate over whether validators should include those transactions or not. Ever since then, the Ethereum community has continued to push for a censorship reversal, and the results of those efforts now appear to be paying off thanks, in large part, to the introduction of new, non-censoring relays.
At the time the sanctions went into effect, most validators were connected to Flashbots’ MEV-Boost relay which Flashbots immediately programmed to censor transactions by default.
In response to community backlash, however, Flashbots raced to complete the process of open-sourcing its code for MEV-Boost, so others could develop their own non-censoring relays.
In November, Agnostic and ultra sound relays with a non-censoring version of MEV-Boost were introduced. Since then, they have risen up in the ranks of relays delivering blocks on Ethereum. Flashbots accounts for delivering about 26% of the blocks over the past 14 days, while Agnostic and ultra sound each have delivered roughly 20% of the blocks over the past 14 days.
Over the weekend, Agnostic and ultra sound each delivered more blocks on Ethereum than Flashbots did.
Martin Köppelmann, co-founder of Gnosis Chain, which runs the Agnostic relay, told CoinDesk that “it took some time to get the word out and demonstrate that we offer a reliable relay.”
Now that validators have had the opportunity to experiment with MEV-Boost, many have started to turn to alternative relays like Agnostic and ultra sound.
“The number of validators that are connected to us is constantly growing,” Köppelmann said. “We were already able to deliver the most blocks of all relays for some period of time.”
Pulse Check
The following is an overview of network activity on the Ethereum Beacon Chain over the past week. For more information about the metrics featured in this section, check out our 101 explainer on ETH metrics.
Disclaimer: All profits made from CoinDesk’s Eth 2.0 staking venture will be donated to a charity of the company’s choosing once transfers are enabled on the network.
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Factoid of the Week
We know that the recent events with the U.S. banking system have put many in the crypto and Web3 community in a challenging situation. That’s why we have decided to extend our current prices for Consensus 2023 until today at midnight ET. This means that you have a few more hours to take advantage of these savings on your registration for the most important event in crypto and Web3.
Valid Points incorporates information and data about CoinDesk’s own Eth 2.0 validator. All profits made from this staking venture will be donated to a charity of our choosing once transfers are enabled on the network. For a full overview of the project, check out our announcement post.
You can verify the activity of the CoinDesk Eth 2.0 validator in real time through our public validator key, which is:
