Layer 2 Glossary

Browse 2 layer 2 terms defined in plain English, from the cultural dictionary of computing.

2 Layer 2 Terms

ARP

Address Resolution Protocol — a Layer 2 protocol that maps IP addresses to MAC (hardware) addresses on a local network. When a device needs to send a packet to...

rollup

A layer-2 scaling solution that executes transactions off-chain but posts compressed transaction data (or validity proofs) back to the main chain. Optimistic...

Related Topics

• Scaling (1 terms in common)
• Networking (1 terms in common)
• Crypto (1 terms in common)
• Protocols (1 terms in common)
• Blockchain (1 terms in common)