Michael Blau Profile picture
Sep 12 7 tweets 2 min read
Announcing Proof of Merge: a fully on-chain, non-transferable, and dynamic NFT that will change throughout The Merge:
My colleague @0xMasonH and I decided to create an experimental NFT that changes as The Merge happens. The NFT has 3 phases:
1. Two separate circles
2. Half merged circles
3. Post-merge Yin-Yang
The NFT artwork will switch to phase two on September 14th. We detect The Merge on-chain by checking if the DIFFICULTY opcode returns 0 according to EIP3675.
The NFT is free to mint (plus gas), non-transferable, and unlimited supply. Everyone can mint 1 NFT before The Merge happens.
Mint and own an NFT that will forever prove you were here during The Merge :) proofofmerge.xyz
And huge shoutout to @zachmeyer_ for the incredible front end 🦾🦾
Maybe @VitalikButerin would mint 🫣

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More from @blauyourmind

Jun 24
gm, I built a tool to help people detect metamorphic smart contracts.

What’s a metamorphic smart contract? Why is detecting them important? And how does the tool work? A thread 🧵

A critical Ethereum security assumption is that smart contract code is immutable and therefore cannot be changed once it is deployed on-chain. In practice, some smart contracts can change – even after they’ve been deployed!
Metamorphic contracts are mutable, meaning developers can change the code inside them. This poses a serious risk to web3 users who put their trust in code which they expect to run with absolute consistency.

HT to @z0age for his amazing write-up here medium.com/@0age/the-prom…
Read 13 tweets

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