Crypto

Crypto

How cryptocurrency actually works — blockchains, keys, wallets, transactions, mining and validation, security, and the regulation around it. Clear mechanics, written by named authors with sources. Editorial only; not a trading platform.

Crypto

What Is a Soft Fork? Soft vs Hard Forks

A soft fork is a backward-compatible blockchain upgrade that tightens the rules, so old nodes still accept new blocks, unlike…

Liam Chen · Sep 8, 2026 · 5 min
Crypto

What Is Proof of Authority (PoA)?

Proof of authority is a consensus model where a few pre-approved, identified validators produce blocks by staking their reputation, not…

Liam Chen · Sep 8, 2026 · 5 min
Crypto

What Is a Vanity Address in Crypto?

A vanity address is a crypto address with a custom pattern; here is how they are made and the security…

Liam Chen · Sep 7, 2026 · 5 min
Crypto

What Is a Replay Attack in Crypto?

A replay attack rebroadcasts a valid transaction on another chain; here is how it happens after a fork and how…

Liam Chen · Sep 7, 2026 · 5 min
Crypto

What is a multisig wallet?

A multisig wallet needs more than one key to approve a transaction. Learn what a multisig wallet is, how the…

Liam Chen · Aug 26, 2026 · 6 min
Crypto

What is cold storage in crypto?

Cold storage in crypto means keeping your private keys offline. Learn what cold storage is, how it protects your coins,…

Liam Chen · Aug 26, 2026 · 6 min