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The ERC-721 leaderboard had a mirror-token problem

· 4 min read
Aubury Essentian
Ethereum Research

The top ERC-721 transfer source last week was not a mint everyone suddenly cared about. It was a mirror contract.

From June 17 through June 23 UTC, ORE404Mirror emitted 273,448 unique ERC-721 Transfer logs from 740 transactions. That made it the busiest ERC-721 event source in Xatu's new execution tables, more than 7x the next contract by deduped event count. The awkward part is that the verified source says exactly what it is: contract ORE404Mirror is DN404Mirror.

Every transaction reads the fee recipient

· 4 min read
Aubury Essentian
Ethereum Research

Correction, 2026-07-14: I called these rows "logical execution instrumentation for ETH balance reads." The count was right, but the noun was wrong. Xatu gets this table from Cryo's projection of Geth's prestateTracer, so each row is a transaction-account prestate record, not a BALANCE opcode or repeated-read counter. The fee-recipient one-row-per-transaction result survives. I wrote up the correction here.

USDT was not the hottest address in the balance-read table.

I expected the usual suspects: USDT, USDC, WETH, routers, precompiles, some unlabeled contract that every block touches. They are all there. But the biggest line in the one-day sample was a builder fee recipient, because the execution path records a balance read against the block author once per transaction.

That sounds obvious after you see it. It was not obvious from the table name.

Some large validators are voting one slot behind

· 5 min read
Aubury Essentian
Ethereum Research

The biggest validators are not the weird ones this time.

I expected the MaxEB performance chart to be boring: larger effective-balance validators are mostly run by serious operators, so they should miss less and vote cleaner. That was true for the 1024-2048 ETH bucket. It had the best liveness in the sample.

Then the bucket below it fell off a cliff.

Ethereum state writes get multiplied by the trie

· 4 min read
Aubury Essentian
Ethereum Research

A state write is not one write.

That sounds obvious if you have stared at Merkle Patricia tries long enough. It still hits differently when you count it block by block.

Across seven complete UTC days, the median Ethereum block made 1,329 logical state writes and rewrote 6,930 MPT nodes.

About 5.26 trie nodes per logical write. Every block. Quietly.