Bitcoin's Script Version Byte and Soft Fork Upgrades
Bitcoin's one-byte witness version field lets soft forks add new spending rules without invalidating old wallets or splitting the chain.
№ 014BitcoinBitcoin Schnorr Signatures and Key Aggregation Explained
Schnorr signatures let multiple Bitcoin signers collapse into one. Here's exactly how key aggregation works and why it cuts fees and improves privacy.
№ 015BitcoinHow Taproot Changed Bitcoin Multisig's On-Chain Footprint
Taproot made complex Bitcoin multisig wallets look identical to single-sig on-chain. Here's the exact mechanism, the tradeoffs, and what it means for privacy.