Ethereum
ETH
● Active
Currency
Layer 1
Ethereum is the leading smart contract platform. It allows developers to build decentralised applications (dApps) and enabled the explosion of DeFi, NFTs, and token issuance. Transitioned from Proof of Work to Proof of Stake in 2022.
Bitcoin
BTC
● Active
Currency
Layer 1
The first and largest cryptocurrency by market cap. Bitcoin introduced the concept of a decentralised peer-to-peer electronic cash system secured by proof-of-work mining. It remains the dominant digital store of value.
Terra / LUNA
LUNA
✕ Dead
Currency
Stablecoin
Terra was an algorithmic stablecoin protocol that spectacularly collapsed in May 2022, wiping out approximately $40 billion in value within days. Its UST stablecoin lost its peg and LUNA became worthless, triggering contagion across the entire crypto market.