Mempool The mempool, or memory pool, is where Bitcoin transactions wait before being confirmed and recorded immutably on the blockchain.
Merge conflict Occurs when two branches have made conflicting changes to the same code and manual review is required.
Mnemonic A mnemonic is typically a sequence of 12 or 24 randomly generated words used to create and recover a Bitcoin wallet
MuSig2 An improvement over the original MuSig protocol, MuSig2 is a cryptographic protocol for creating Schnorr-based multi-signatures in Bitcoin.