Basics

Blockchain basics

Bitcoin paper

Proof of stake video

Hash wiki and hash function

Timestamp of a digital document

Exchanges

latoken

uniswap

hitbtc

FTX

Binance

Tools

Ether.js

Web3.js

JavaScript's encryption library

Tracking and trading tools

BTC memory pool explorer

Track your portfolio over multiple accounts

Unconfirmed BTC transactions

BTC charts

Blockchain visuals

ETH

Beacon Chain explained in a YouTube video

Staking explained

ETH Blockchain language Solidity