November 10, 2026

Web, Payments, Bytes & Ventures

Explainers: Bitcoin

Diagram of two nodes, each holding its own list of waiting transactions with high-fee entries on top, and an arrow to a dark block with limited space

Mempool · Oct 27

The Mempool Explained: Where a Crypto Transaction Waits

Why a sent transaction can sit unconfirmed, who decides the order, and how fee bumps and expiry rules work.

Three stacked ledger blocks, the lower two marked with orange wax seals and the top one outlined in dashes, beside a seal stamp and a stick of sealing wax

Blockchain finality · Oct 20

Blockchain Finality Explained: When a Crypto Payment Is Final

How Bitcoin, Ethereum and Solana decide when a transaction can no longer be reversed.