Topic
Every public blockchain needs a way to agree on which transactions are valid without a central authority. Proof of work and proof of stake are the two main answers. This explainer compares how each works, what each costs and protects against, and the trade-offs investors should understand.
Thousands of digital assets exist besides Bitcoin, and the labels used for them blur together. This guide explains what altcoins, tokens, memecoins and utility coins are, how they differ, what drives their prices, and the liquidity, concentration and fraud risks that set them apart from the largest cryptocurrencies.
Ethereum is the second-largest crypto network, but it works very differently from bitcoin. This guide explains what smart contracts do, how gas fees are calculated, how proof of stake and staking work, what drives the supply of ether, and the risks and tax rules US investors should understand.
