network consensus Archives

2 hours ago

Understanding Bitcoin Transaction Security: Why 6 Confirmations

bitcoin transactions are considered secure after 6 confirmations because each new block added makes reversing the transaction exponentially harder, protecting against double-spend attacks.

January 23, 2026

How Bitcoin Nodes Independently Verify All Activity

bitcoin nodes download blocks, validate signatures, enforce consensus rules, and reject invalid data. This independent verification removes the need for trusted intermediaries.

January 23, 2026

How Bitcoin Mining Works: Validation and Security

bitcoin mining is the process of validating transactions by solving complex puzzles. Miners secure the network, add new blocks to the blockchain, and earn bitcoin rewards.

January 16, 2026

Understanding Bitcoin Node Operators and Their Role

bitcoin node operators run software that verifies transactions and blocks, enforces consensus rules, and relays data across the network, helping keep bitcoin secure, decentralized, and censorship‑resistant.