Offchain (formerly Offchain Labs) is the blockchain infrastructure company behind Arbitrum, with a corporate venture arm called Tandem that provides capital and strategic guidance to early-stage blockchain and Web3 projects. Tandem invests the parent company's capital and collaborates with portfolio companies on research, engineering, and go-to-market strategy.
Their most common stage is series-a (44% of deals). Average disclosed round size is $13.7M (across 9 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Series A
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Investment Activity
DealsAvg Round Size
Portfolio
9 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 DigiFT | Series A | $11M | Jan 2025 |
| AAlloy X | Series A | $10M | Jan 2025 |
 DuckChain | Seed | $5M | Dec 2024 |
 Fabric Cryptography | Seed | $33M | Jan 2024 |
| SSmolbound | Unknown | $6M | Jan 2024 |
 Curvance | Seed | $3.6M | Jan 2023 |
 DigiFT | Series A | $11M | — |
| Fabric Cryptography | Series A | $33M | — |
| DigiFT | Strategic | $11M | — |
Top Co-Investors
Polygon Ventures4 shared
Mirana Ventures3 shared
Yunqi Partners3 shared
HashKey Capital2 shared
1kx2 shared
Blockchain Capital2 shared
Polygon Studios2 shared
Fidelity Investments1 shared
Metaplanet1 shared
Inflection1 shared
Anthos Capital1 shared
BITKRAFT Ventures1 shared
Oak Grove Ventures1 shared
Presto Ventures1 shared
Kenetic Capital1 shared
Gate Labs1 shared
Presto1 shared
dao51 shared
SYN Ventures1 shared
Last updated: 7 October 2026