Bitstack 🇫🇷
Paris-based bitcoin savings app; $15M Series A led by 13books Capital.
About Bitstack
The main product is a platform that allows users to buy, sell, and manage Bitcoin, including features like automatic rounding from bank accounts or a dedicated card to invest spare change. It leverages Bitcoin's decentralized network to facilitate instant transactions with minimal fees, enabling users to earn and spend Bitcoin seamlessly.
Bitstack is a France-based company founded in 2021, now around 42 people. It has raised $15M in disclosed funding.
Founded by Alexandre Roubaud (Co-founder & CEO; previously Bus.com, Moka Financial Technologies; Y Combinator), Kabir Sethi (Co-founder & CTO; previously Blockchain at McGill, Bombardier; McGill University).
Its investors also appear on FundFinder's most-active lists for Series A · AI (62 funds), Series A · Fintech (84 funds), Series A · B2B (80 funds).
Company facts from Harmonic and public filings; team backgrounds from public profiles. Refreshed weekly.
Series A · $15M · Dec 2025
- 13books Capital — London-based fintech VC (formerly Element Ventures) founded in 2019 by Steve Gibson and Michael McFadgen. · cheques £1M – £7M
- Serena — Entrepreneur-founded Paris firm with several hundred million euros under management, focused on data, AI and B2B software at seed and Series A, with a large operating platform. · cheques £1M – £8M
