Ask about 1sec · freeTotal Value Locked$2.68m
TVL by Chain
ICP$2.67m
Ethereum$7,385
Base$4,698
Arbitrum$770.27
Key Metrics
Total Raised$2.56m
Feb 4, 2021$2.56mRound: SeedInvestors: Ceres, East Ventures, Gumi Ventures, Hironao Kunimitsu, Yuki Naito
Protocol Information
1Sec is a message-passing bridge between ICP and EVM chains.
Methodology
TVL: TVL counts tokens where collateral is custodied: ICP-native tokens reported by the OneSec canister, and EVM-native tokens locked in the locker contract on their respective EVM chains.View code on GitHubBridge Volume: Value of assets sent through the bridge, counted once on the chain they leave fromView code on GitHubCompetitors
1sec history
TVL is the default DefiLlama definition. Daily values are UTC snapshots from Dec 5, 2025 to Oct 28, 2026.
All-time high TVL: $3.33m on Oct 12, 2026. All-time low TVL: $1.13m on Feb 6, 2026.
Daily TVL, Sep 29, 2026 to Oct 28, 2026
| Date | TVL |
|---|---|
| Sep 29, 2026 | $2.91m |
| Sep 30, 2026 | $3.17m |
| Oct 1, 2026 | $3.06m |
| Oct 2, 2026 | $3.01m |
| Oct 3, 2026 | $3.06m |
| Oct 4, 2026 | $3.1m |
| Oct 5, 2026 | $3.09m |
| Oct 6, 2026 | $3.31m |
| Oct 7, 2026 | $3.21m |
| Oct 8, 2026 | $3.06m |
| Oct 9, 2026 | $2.84m |
| Oct 10, 2026 | $2.99m |
| Oct 11, 2026 | $3.06m |
| Oct 12, 2026 | $3.33m |
| Oct 13, 2026 | $2.96m |
| Oct 14, 2026 | $3.07m |
| Oct 15, 2026 | $3m |
| Oct 16, 2026 | $2.99m |
| Oct 17, 2026 | $2.96m |
| Oct 18, 2026 | $2.89m |
| Oct 19, 2026 | $2.9m |
| Oct 20, 2026 | $2.86m |
| Oct 21, 2026 | $2.93m |
| Oct 22, 2026 | $2.93m |
| Oct 23, 2026 | $2.76m |
| Oct 24, 2026 | $2.79m |
| Oct 25, 2026 | $2.74m |
| Oct 26, 2026 | $2.73m |
| Oct 27, 2026 | $2.72m |
| Oct 28, 2026 | $2.71m |
TVL at each month end, Dec 2025 to Oct 2026
| Date | TVL |
|---|---|
| Dec 31, 2025 | $1.44m |
| Jan 31, 2026 | $1.61m |
| Feb 28, 2026 | $1.57m |
| Mar 10, 2026 | $1.58m |
| May 31, 2026 | $1.65m |
| Jun 30, 2026 | $1.45m |
| Jul 31, 2026 | $1.61m |
| Aug 31, 2026 | $2.04m |
| Sep 30, 2026 | $3.17m |
| Oct 28, 2026 (latest) | $2.71m |
The .csv export on the chart above downloads every daily value. The same data is in the public API: https://api.llama.fi/protocol/1sec
Frequently asked questions
What is 1sec's TVL?
As of Oct 28, 2026, 1sec has $2.68m in total value locked. TVL has decreased 7.1% over the past 30 days.
What chains does 1sec operate on?
1sec operates on 4 chains: ICP, Ethereum, Base, and Arbitrum. ICP holds the largest share at 99.5%.
How does 1sec's TVL compare to similar protocols?
Among Bridge protocols tracked by DefiLlama, 1sec ranks #58 by TVL. The category holds $62.45b across 158 protocols, and 1sec accounts for <0.1% of that total. Similar protocols include LayerZero V2, CCIP, Portal, SolvBTC, NEAR Intents, Axelar, APX Bridge, SoDEX Bridge, Ring Few, and PumpBTC.