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The Protocol: Bitcoin's OP_CAT, Fake Ethereum Tokens, Starknet's Airdrop

Summary

- ERC-404 and DN-404 are new unofficial token standards gaining traction in the Ethereum ecosystem, aiming to combine virtues of fungible and non-fungible tokens. - The flurry around ERC-404 tokens has led to a spike in Ethereum fees, with concerns over their safety and technical design. - Starknet Foundation plans to airdrop STRK tokens on Feb. 20, while Wormhole announced a planned airdrop for its new W token. - Bitcoin developers are pushing for a revival of the "OP_CAT" code to restore functionality that was available in early versions of the blockchain's software. - Ethereum network is witnessing a spike in the number of validators looking to stake their ether, indicating renewed vitality.