Will op_Cat bring Ethereum-like smart contract functionality to bitcoin?
Could you elaborate on the potential of 'op_Cat' and its purported ability to introduce Ethereum-like smart contract functionality to the Bitcoin network? There's been much speculation surrounding this proposed opcode, but how realistic is it to expect a significant shift in Bitcoin's capabilities in this regard? Are there any technical limitations or challenges that could hinder its implementation? Furthermore, how would this affect the overall ecosystem and the competitiveness of Bitcoin in comparison to other smart contract-enabled blockchains?