According to Stacks CEO Muneeb Ali, Bitcoin requires “very little modification” at its base layer to enable true “ZK rollups” – a layer two scaling solution for batching transactions that is commonly used on Ethereum. “They’re just two OP codes,” said Ali, “like either OP STARK verify, or OP SNARK verify – and that can be done.” Ali doesn’t expect the change to happen for roughly another four to five years, however, given the slow pace at which Bitcoin’s base layer tends to evolve. Even without those changes, Ali is confident that more development can take place on Bitcoin for it to catch up to more developer-friendly chains. His company Stacks – a self-described Bitcoin layer “1.5” – has developed a protocol called sBTC to bridge BTC from layer 1 to layer 2 chains in a relatively decentralized manner.
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