@bertcmiller βš‘οΈπŸ€– Profile picture
May 13, 2021 β€’ 12 tweets β€’ 7 min read β€’ Read on X
Introducing the Flashbots Dashboard, a collection of real time metrics to give the community transparency on the Flashbots Network:

dashboard.flashbots.net

Thread πŸ‘‡πŸ»
In January Flashbots released Flashbots Alpha v0.1, a proof of concept communication channel between miners and users that enables transparent and efficient MEV extraction.

Since then we've seen rapid adoption, and now over 30% of blocks on Ethereum are Flashblocks.
Flashbots has two types of direct users today: searchers & miners

Searchers are users who send transactions via Flashbots - today these are mostly bot operators extracting MEV

Miners are the block producers of Ethereum today, who want to extract MEV in a fair & transparent way
Miners who run MEV-Geth and receive Flashbots bundles make extra ETH for doing so.

In fact miners make about ~5% more revenue for each Flashbots blocks they mine, and in total miners have made ~$45m in profit from Flashbots.
Measured in ETH or USD daily miner profit has been going up over time, and yesterday was Flashbots' most profitable day. About ~800 ETH or ~$3m in miner profit.

Mining Flashbots blocks is profitable because searchers' transactions pay more than the transactions they displace.
The πŸŸͺ line is the gas price of searchers' transactions & the 🟦 line is the gas price of txs at the tail end of blocks

The "tail gas price" txs are the least profitable for miners & are pushed out to make room for searchers' txs. Since πŸŸͺ > 🟦 this is profitable to do!
We've seen strong adoption by searchers because Flashbots is great for them too. Searchers only pay for txs if they are successful & can send groups of txs bundled together to be executed atomically

These are super powers that open up many new MEV opportunities
Quantifying the # of searchers is hard because a searcher can use multiple signing keys in the relay, multiple EOAs, and multiple contracts on-chain. We're moving towards a reputation system based on signing keys, but for now we've listed three different searcher adoption metrics
Quantifying how much profit searchers have made is also hard (we're working on it), but we can easily see how much they've paid to miners

The top searcher contract has paid $7.1m to miners in total, and 11 searcher contracts have paid more than $1m.
If you're interested in learning more about Flashbots and what we've been up to check out the latest Flashbots transparency report here:

medium.com/flashbots/flas…
Of course none of this would be possible without the tireless work of the inimitable Flashbots team
@phildaian @tzhen @epheph @ObadiaAlex @thegostep @jparyani @fiiiu_ @tkstanczak @EdgarArout @taarushv @LukeYoungblood @sui414
Lastly if you have any feedback or metric requests please post them here:

github.com/flashbots/pm/d…

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More from @bertcmiller

Dec 6, 2023
A brief thread on a novel MEV searching strategy, where we chase the trail of a mysterious bot backrunning private flow and reveal how they do it.
@blairmarshall pointed out a bot that appears to have private access to user orderflow that was landing bottom-of-the-block blocks on the Flashbots builder. That didn't make sense to me. We don't run backrunning bots! So we investigated.
Here is an example.

In block 18728532 a user makes a trade at the top of the block. They sell about 3 ETH worth of Truebit and it seems using a private mempool too.

etherscan.io/txs?block=1872…

Image
Image
Read 13 tweets
May 10, 2023
jaredfromsubway.eth's alpha and how to stop him
jaredfromsubway.eth is a prolific sandwich bot who went viral a few weeks back

They famously were sandwiching a TON of $PEPE traders and are frequently one of the top consumers of gas on the network

Why are they dominating sandwiches? What's their edge?

Keep scrolling, anon.
FIRST, most MEV bots go from ETH -> memecoin -> ETH, atomically making profit and holding only ETH

Jared holds memecoins and will sandwich memecoin -> ETH trades. There is very little competition for this.

Let's look at an example.
Read 13 tweets
May 2, 2023
Introducing simple-blind-arbitrage: an open source bot that blindly but atomically backruns private transactions from MEV-Share Matchmakers.

github.com/flashbots/simp…
simple-blind-arbitrage works by calculating and executing the optimal arbitrage on-chain.

It only requires the pools to attempt to arb as inputs, and does the rest in a smart contract. Image
How does it know which pools to try to arb? By listening to the Flashbots MEV-Share Matchmaker.

The Matchmaker keeps most tx details private to prevent frontrunning, but it shares the pools users are trading on.

Watch it from your browser here: mev-share.flashbots.net Image
Read 9 tweets
Mar 12, 2023
MEV-Boost payments were at an alltime high yesterday, totaling 7691 ETH (!) which is nearly double the previous ATH of 3928 ETH during the FTX fiasco this fall.

A few statistics on MEV on Ethereum yesterday in this thread

(h/t @nero_eth for the data)
You can't compare stats these 1:1, but the ATH for daily miner profit from mev-geth was 6397 ETH in June 2021. That's the *profit* of running mev-geth vs a vanilla mempool mining client.

A similar metric here would be the difference in payment for validators from running mev-boost or not. There's not a great up to date estimate of this out there I think

You could derive it by looking at the value of the mempool builder we submit (0xa1defa) and the winning block
Read 13 tweets
Mar 11, 2023
Brutal & unfortunate. A bad aggregator led to a user getting rekt.

A reason that a competitive MEV market & orderflow auctions are deeply important is that cases like this could potentially be entirely mitigated. The user could be paid back the arb that their wreckage left.
The user's $2m ended up in a Uni v2 pool, which an MEV bot was quick to snatch up for basically nothing of course. They paid a premium to a miner for this $2m but it really wasn't anything (~20 ETH).

The MEV market was strangely uncompetitive in this case. 20 ETH paid to the builder for capturing $2m is an insanely good trade and you'd expect competition to push that 20 ETH much much closer to the value of $2m.
Read 7 tweets
Feb 15, 2023
Introducing MEV-Share: programmably private orderflow that empowers users, redistributes MEV, and takes a step towards decentralized block building

MEV-Share is where transactions and bundles find their perfect match
collective.flashbots.net/t/mev-share-pr…
MEV-Share builds on MEV-Boost by further unbundling the transaction supply chain.

Whereas MEV-Boost enabled collaboration between validators and builders, MEV-Share does the same for searchers and users - empowering users to be paid for their transactions.
With privacy users can bargain for the MEV they create without permissioning searchers. But, programmable privacy allows users to selectively share information to enable optimization and collaboration.
Read 11 tweets

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