What Are Layer 2 Chains?
Layer 2 chains scale blockchains like Ethereum by processing transactions off-chain. Learn how rollups, sidechains, and state channels cut fees and speed things up.
Layer 2 chains scale blockchains like Ethereum by processing transactions off-chain. Learn how rollups, sidechains, and state channels cut fees and speed things up.
OP-based chains are Layer-2 blockchains built with the OP Stack to scale Ethereum, powering the interoperable Optimism Superchain of fast, low-cost networks.
Optimistic Rollups are Ethereum Layer-2 solutions that run transactions off-chain to cut fees and boost speed. Learn how they work and their limits.
BIP-444 is a controversial proposal to limit non-financial data on Bitcoin, reigniting debate over neutrality, legal risk, and the network's governance.
A hash is a cryptographic fingerprint that secures Proof of Work chains like Bitcoin, where miners search for a hash below the network target to...
Base is an Ethereum Layer 2 built by Coinbase on the OP Stack, using Optimistic Rollups for fast, low-cost transactions settled on Ethereum.
A token is a digital unit representing value, access, or ownership. In crypto, tokens power apps, economies, and digital assets on top of a blockchain.
StarkNet is an Ethereum Layer 2 that uses zk-STARK proofs to deliver fast, low-cost transactions without giving up security or decentralization.
zkSync is an Ethereum Layer 2 that uses zk-rollups for fast, low-cost transactions with cryptographic security, 1-second finality, and EVM compatibility.
Optimism is an Ethereum Layer 2 that uses optimistic rollups to cut gas fees and speed up transactions while inheriting Ethereum's security.
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