Funding

Bitstack Raises $15M To Build Europe’s Bitcoin Savings App

Dec 2, 2025 | By Kailee Rainse

Paris-based Bitcoin savings app Bitstack has secured $15 million in a Series A funding round led by 13books Capital, with continued support from existing investors including AG2R LA MONDIALE, Plug and Play Ventures, Serena, Stillmark and Y Combinator.

SUMMARY

  • Paris-based Bitcoin savings app Bitstack has secured $15 million in a Series A funding round led by 13books Capital, with continued support from existing investors including AG2R LA MONDIALE, Plug and Play Ventures, Serena, Stillmark and Y Combinator.

According to the European Central Bank (ECB) prices in the euro area rose by 23.4% between October 2020 and 2025 highlighting a sharp decline in the currency’s purchasing power. In this context Bitcoin with its fixed supply of 21 million coins has gained traction as alternative asset.

Founded 2021 by Alexandre Roubaud and his team, Bitstack aims to democratize Bitcoin savings helping Europeans protect their purchasing power amid rising inflation. Launched in 2022 the platform provides simple regulated Bitcoin-based savings products designed for widespread accessibility.

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Bitstack is best known for its savings feature, which rounds up everyday purchases to the nearest euro and automatically invests the spare change in Bitcoin. The company is now expanding its services for users in France with a euro account that comes with a French IBAN, allowing customers to send and receive transfers and convert part or all of their salary into Bitcoin.

In addition, Bitstack is introducing a VISA debit card that incentivizes long-term saving. The card offers real-time, fee-free round-ups on purchases and a “Stackback” program, enabling users to earn up to 1% in Bitcoin on all euro spending at any merchant, with no maximum limit.

Bitstack now operates in around a dozen European countries, including Germany, Spain, the Netherlands, and Italy, providing content in the local language of each market. This expansion is supported by the MiCA (Markets in Crypto-Assets) license granted by the AMF on 30 June 2025.

With its new funding and MiCA license, Bitstack plans to accelerate its European growth, expand its offerings with a euro account and new card products, and aims to reach 1 million users within 18 months, solidifying its position in the European Bitcoin savings market.

About Bitstack

Bitstack empowers people to join a more open financial system via Bitcoin. From rounding up spare change into Bitcoin, it has evolved into a full Bitcoin‑native neobank letting users buy, sell, earn and spend Bitcoin. Built on the open, global and permissionless Bitcoin network, Bitstack makes saving and transacting in Bitcoin simple, accessible and inclusive.

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