Blockchain ecosystems
One page per network: what it is, whether you can reach it from where you are, what it costs to move money in and out, and what we could not verify. Every line carries a source and a check date.
Ecosystem hubs
Layer 2 network
Base
Base is an Ethereum Layer 2 built by Coinbase on Optimism's OP Stack. It runs as a rollup: transaction data is posted to Ethereum, and the chain has been open to everyone since 9 A...
Standalone network (L1)
Arc
Arc is a Layer 1 blockchain built by Circle, the issuer of USDC, for stablecoin payments, FX and tokenized assets. Fees are paid in stablecoins, starting with USDC, and transaction...