LeadBlock Partners is a London-based European venture capital fund founded in 2019, focusing exclusively on the digital assets and blockchain ecosystem. The firm invests in seed and Series A startups driving corporate and institutional adoption of blockchain technology.
40% of their portfolio is in Crypto & Web3. Average disclosed round size is $49.3M (across 10 rounds with reported amounts).
Portfolio
11
Fund Size
$150M
Top Stage
Series B
Last 12 Mo
0
Team
JP
Jean-Marc PUEL
Founding Partner
JB
Jean-Marie Bettinger
Principal
GB
Guillaume Buhours
Investment Professional
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
15 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Talos | Series B | $45M | Jan 2026 |
 Kiln | Seed | — | Nov 2022 |
 Tatum | Series B | $41.5M | Oct 2022 |
 Talos | Series B | $105M | May 2022 |
| TTreehouse Finance | Seed | $18M | Mar 2022 |
 Treehouse | Seed | $18M | Mar 2022 |
| Tatum | Series A | $41.5M | Jan 2022 |
 Treehouse | Seed | $18M | Jan 2022 |
 Bitpanda | Series C | — | Aug 2021 |
 Tesseract | Series A | — | Jun 2021 |
| Bitpanda | Series B | $170M | Mar 2021 |
 Venly | Series A | — | — |
 HexTrust | Series B | — | — |
| Treehouse | Pre-Seed | $18M | — |
| Treehouse | Pre-Seed | $18M | — |
Top Co-Investors
Jump Capital7 shared
Wintermute Ventures7 shared
Mirana Ventures5 shared
Global Founders Capital5 shared
Lightspeed Venture Partners5 shared
Binance5 shared
Illuminate Financial3 shared
Transcend Fund3 shared
MassMutual3 shared
Bitpanda3 shared
Stripes2 shared
Karatage2 shared
Castle Island Ventures2 shared
Sony Innovation Fund2 shared
PayPal Ventures2 shared
a16z crypto2 shared
General Atlantic2 shared
Andreessen Horowitz2 shared
IMC2 shared
Fidelity Investments2 shared
Last updated: 20 October 2026