Level: advanced

A detailed technical breakdown of Bitcoin's block structure — from the 80-byte header to the coinbase transaction, SegWit witness data, and block weight. Includes hex analysis of a real block header.

A deep technical exploration of Schnorr signatures in Bitcoin — from mathematical foundations and advantages over ECDSA to key aggregation, MuSig2, batch verification, and Taproot integration via BIP-340.

A deep technical guide to Bitcoin Script — the stack-based programming language that defines how bitcoin can be spent. Covers opcodes, standard script types (P2PKH, P2SH, P2WPKH, P2TR), execution traces, timelocks, multisig, and Tapscript.

CoinJoin is a Bitcoin privacy technique that combines multiple users' transactions into one, making it difficult to trace who sent to whom.

Strategies for safely storing seed phrases and transferring assets upon owner death or incapacity. The final puzzle of Bitcoin self-sovereignty.