From beginner to advanced — master exchanges, wallets and blockchain essentials
How does bitcoin security work? It relies on private keys, node verification, and proof of work to protect ownership and block history.
Quantum computers are not a one-click way to destroy Bitcoin. The main long-term risk is to signatures, not the blockchain itself.
Bitcoin is generally not treated as a security. The key question is whether it gives rights in an issuer or depends on a team’s profit efforts.
