Crypto
What is a crypto bridge (and why they get hacked)?
A crypto bridge moves assets between blockchains by locking and minting wrapped tokens. Learn how a crypto bridge works, and…
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 Merkle tree?
A Merkle tree summarises many items into one hash. Learn what a Merkle tree is, how it is built from…
Crypto
What is a testnet?
A testnet is a practice copy of a blockchain where the coins have no value. Learn what a testnet is,…
Crypto
What is Layer 2 in crypto?
Layer 2 in crypto is a network built on top of a main blockchain to cut fees and boost speed.…
Crypto
What is a sidechain?
A sidechain is a separate blockchain linked to a main chain by a two-way bridge. Learn how a sidechain works,…
Crypto
Social engineering in crypto: the recurring patterns
Social engineering in crypto: the recurring scam patterns, the psychological levers behind them, and the defence habits that work across…
Crypto
What happens when an exchange is hacked
What happens when a crypto exchange is hacked: how breaches occur, who bears the loss, why deposit insurance rarely applies,…
Crypto
Rug pulls: the mechanics and the warning signs
Rug pulls explained: the mechanics behind liquidity removal, honeypots and slow rugs, plus the clear warning signs that help you…
Crypto
How to verify a contract address before interacting
How to verify a contract address before you interact: sourcing it safely, checking it on a block explorer, and spotting…
Crypto
Token approvals and why they drain wallets
Token approvals explained: how the permissions you sign let contracts move your tokens, why unlimited approvals drain wallets, and how…