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…
Liam Chen
Liam Chen writes about how crypto works at the protocol level — consensus, cryptography, wallets and security. He explains mechanisms plainly and cites primary sources.
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…
Crypto
Hardware vs software wallets, honestly compared
Hardware vs software wallets compared honestly: how each stores your keys, the real security trade-offs, and which fits everyday spending…
Crypto
Seed phrases: what they are and how people lose them
Seed phrases explained: what a recovery phrase is, why it controls your entire wallet, how people lose them, and how…
Crypto
How crypto phishing attacks actually work
How crypto phishing attacks work: the tricks that steal wallets, the wallet-drainer signature scam, and the simple habits that stop…
Crypto
How to read a block explorer
A block explorer is a search engine for a blockchain. Here is how to look up transactions, addresses, blocks and…
Crypto
What gas fees actually pay for
Gas fees pay for the computation your transaction needs and ration limited block space. Here is what they actually fund…
Crypto
What a smart contract is and what it isn’t
A smart contract is code stored on a blockchain that runs automatically when called. It is not a legal contract…
Crypto
Proof of work vs proof of stake, mechanically
Proof of work secures a blockchain with computing power; proof of stake secures it with capital at risk. Here is…
Crypto
What miners and validators actually do
Miners and validators add new blocks and keep a blockchain in agreement. They do the same job but earn the…