Definition. The total USD value locked inside the Ethereum side of bridge smart contracts, broken out per destination blockchain. Locked tokens are unavailable on Ethereum and available on the target chain.

Technical. TVL is computed daily by multiplying the number of tokens locked in each bridge smart contract by the latest daily price for each token. Bridges are protocols that transfer digital assets from one blockchain to another. When an asset leaves Ethereum, it is deposited and locked into a bridge smart contract, and when it returns to Ethereum it is withdrawn and released. This metric only includes bridge contracts on the Ethereum side, covering deposits into both L1 and L2 blockchains. Each bridge represents a single destination chain, except those labeled multichain, which fan out across multiple chains.

Interpretation. A rising series means value is flowing out of Ethereum into the target chain, and a falling series means value is flowing back into Ethereum.

Notes. This is the Point-in-Time (PiT) variant of Bridges TVL. PiT metrics are strictly append-only and their history is immutable. The historic data does not necessarily reflect the best current knowledge, but the information at the time when a data point was first computed. PiT metrics are ideal candidates for applications in model backtesting and related quantitative purposes. Read our article on PiT metrics for more information.