A blockchain is a digital ledger — a permanent, tamper-proof record of transactions maintained by thousands of computers simultaneously. Bitcoin invented the concept, but dozens of other blockchains have since been built, each with different goals, speeds, and use cases.
Choose a blockchain to explore
₿
Bitcoin
BTC
The original cryptocurrency. Digital gold with a fixed supply of 21 million coins.
Ξ
Ethereum
ETH
The world's programmable blockchain. Home to DeFi, NFTs, and smart contracts.
◎
Solana
SOL
Ultra-fast and low-cost. Built for speed with thousands of transactions per second.
⬡
BNB Chain
BNB
Binance's blockchain. Low fees and a large DeFi ecosystem.
T
Tron
TRX
Built for fast, cheap transfers. Dominates stablecoin transactions globally.
₳
Cardano
ADA
Research-driven blockchain focused on security and long-term sustainability.
▲
Avalanche
AVAX
High-speed blockchain designed for DeFi and custom blockchain deployments.
⬟
Polygon
POL
An Ethereum scaling solution that makes Ethereum faster and cheaper to use.