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What Is Bitcoin OP_CAT? | The Most Talked-About Bitcoin Upgrade in 2025
OP_CAT is back in the spotlight - so what is it, and why does it matter?
In this video, Graham breaks down Bitcoin OP_CAT, a proposed script upgrade that could expand Bitcoin’s capabilities without compromising its core principles. Originally disabled by Satoshi in 2010, OP_CAT is now being reconsidered by developers for its potential to enable trustless vaults, native DeFi, better multisig setups, and more.
You’ll learn how OP_CAT works, what it could unlock, and where the proposal currently stands as of June 2025. If you're following Bitcoin's evolution or curious about smart contract functionality on Bitcoin, this is a must-watch.
📚 Read the full article: https://www.bitcoin.com/get-started/what-is-bitcoin-op-cat/
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