A serious attempt to bring Ethereum-like smart contract functionality to Bitcoin called OP_CAT has finally been granted a “BIP number:” 347. This is the first step towards actually launching the long-proposed software upgrade.“Getting a…
What is OP_CAT? In a nutshell, OP_CAT takes the top two values from a script stack, joins them, and then puts the result back onto the stack. This operation offers various scripting possibilities which was previously removed due to…
A Dive into the Reintroduction of a Classic Opcode
The Bitcoin Improvement Proposal (BIP) 420 proposes reintroducing OP_CAT, a tapscript opcode that allows for the concatenation of two stack values. This capability, deactivated in…
On Bitcoin Halving day, Bitcoin Core contributor Bryan Bishop volunteered to replace Luke Dashjr as the Bitcoin Improvement Proposal (BIP) editor. And while it may have started as a joke, the movement to displace Dashjr is gaining…
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