Sources & further reading

These are primary sources, established data vendors, or canonical specifications we referenced or cross-checked while writing this page.

CoinGecko — Reference source for crypto price and market-cap data.
DefiLlama — Reference source for protocol TVL and on-chain DeFi metrics.
Etherscan — Authoritative Ethereum block explorer for verifying contract and transaction data.

DegenSensei·Senior Crypto Editor

Jun 1, 2024

Updated Apr 17, 2026

Reviewed against our methodology

🕒Last reviewed: April 17, 2026

🧠

Crypto Knowledge Quiz

🕒Last reviewed: April 17, 2026

Test your crypto knowledge with 10 randomized questions. From Bitcoin basics to advanced DeFi — see how much you really know.

Choose Difficulty

Questions

These are primary sources, established data vendors, or canonical specifications we referenced or cross-checked while writing this page.

CoinGecko — Reference source for crypto price and market-cap data.
DefiLlama — Reference source for protocol TVL and on-chain DeFi metrics.
Etherscan — Authoritative Ethereum block explorer for verifying contract and transaction data.