Bitstack
Europe’s easiest app to invest in Bitcoin by rounding up daily purchases and saving spare change.
Website: https://www.bitstack-app.com/en
Cover Block
PUBLIC
| Field | Value |
|---|---|
| Name | Bitstack |
| Tagline | Europe's easiest app to invest in Bitcoin by rounding up daily purchases |
| Headquarters | Paris, France (Station F) |
| Founded | 2021 |
| Stage | Series A |
| Business Model | B2C |
| Industry | Fintech / Crypto-native neobank |
| Technology | Blockchain / Bitcoin |
| Geography | Western Europe |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (3) |
| Funding Label | Series A |
| Total Disclosed | ~$23.9M [Tracxn] |
Links
PUBLIC
- Website: https://www.bitstack-app.com/en
- LinkedIn: https://www.linkedin.com/company/bitstack-app
- Crunchbase: https://www.crunchbase.com/organization/bitstack
- Careers: https://apply.workable.com/bitstack/?lng=en
Executive Summary
PUBLIC
Bitstack is a Paris-based crypto-native neobank that has built what it calls Europe's easiest on-ramp to Bitcoin savings, converting the spare change from everyday card purchases into Bitcoin holdings [Bitstack, 2025]. Founded in 2021 by Alexandre Roubaud, Alexander Roubaud, and Kabir Sethi, the company went through Y Combinator's Summer 2022 batch and operates out of Station F, the Paris startup campus [LinkedIn]. Its core product wraps a familiar round-up savings mechanic around Bitcoin accumulation. A December 2025 Series A of €12.9 million (about $15 million) extended that proposition into a fuller banking stack including a euro account with a French IBAN and a VISA debit card with Bitcoin "stackback" rewards [EU-Startups, Dec 2025]. The company reports more than 200,000 users as of mid-2025 and total disclosed funding of roughly $23.9 million across a 2022 seed and the recent Series A [Bitstack, June 2025] [Tracxn]. Bitstack carries PSAN registration with France's AMF and PSCA approval under MiCA, two regulatory credentials that increasingly matter for crypto distribution in the EU [Bitstack, June 2025]. Over the next 12 to 18 months, the items worth watching are European market expansion beyond France, the unit economics of the new euro-account and card layer, and whether the company can hold its position as Revolut, Trade Republic, and other neobanks deepen their own Bitcoin offerings.
Data Accuracy: GREEN -- Confirmed by Bitstack press releases, EU-Startups, Tracxn, and LinkedIn.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Series A |
| Business Model | B2C |
| Industry / Vertical | Fintech / Crypto-native neobank |
| Technology Type | Blockchain / Bitcoin |
| Geography | Western Europe (France-led) |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (3+) |
| Funding | ~$23.9M total disclosed across Seed and Series A |
Company Overview
PUBLIC
Bitstack was founded in 2021 in France and incorporated as Bitstack Digital Assets SAS, registered with the Aix-en-Provence Trade and Companies Register under number 899 125 090 [Bitstack]. The product launched commercially in 2022 with a single, deliberately narrow promise: help ordinary French consumers acquire Bitcoin without having to think about it, by rounding up everyday card purchases to the next euro and converting the difference into BTC [Bitstack, 2025]. The company describes its mission as helping users "finance your life goals with a bitcoin savings solution" and frames the product as a defense of purchasing power rather than a speculative trading venue [Bitstack].
Three milestones anchor the company's trajectory. First, admission to Y Combinator's S22 cohort gave the team a US-flavored capital and network base early on [LinkedIn]. Second, in 2022 Bitstack closed a €2 million seed round, with Founders Future identified as an investor, used to expand the team and broaden financial services [Bitstack] [Crunchbase]. Third, in December 2025 the company announced a €12.9 million Series A (roughly $15 million) earmarked for European expansion and a wider product stack including a euro account with a French IBAN and a VISA debit card [EU-Startups, Dec 2025]. Total disclosed funding stands at approximately $23.9 million [Tracxn].
On the regulatory side, Bitstack obtained PSAN registration with the AMF, France's financial markets regulator, and subsequently received PSCA approval under the EU's MiCA framework as a Crypto-Active Service Provider [Bitstack, June 2025]. The company also operates as an agent of Xpollens for payment-services functionality, which is how it can offer card and IBAN features without holding a full banking license itself [Bitstack].
Data Accuracy: GREEN -- Confirmed by Bitstack regulatory pages, EU-Startups, and Crunchbase.
Product and Technology
MIXED
The Bitstack app is positioned as a savings product first and a trading product second. The headline mechanic [PUBLIC] is a round-up: every card transaction is rounded to the next euro and the difference is converted into Bitcoin inside the user's Bitstack account [Bitstack]. Around that core, the app offers buy, sell, earn, and send Bitcoin features, with the company branding itself "the #1 Bitcoin savings app" on its primary marketing surface [Bitstack].
The December 2025 Series A funded a meaningful product expansion [PUBLIC]. Bitstack now offers, or is rolling out, a euro account with a French IBAN that lets users receive direct deposits, including converting part or all of a salary into Bitcoin, alongside a VISA debit card that pays Bitcoin "stackback" rewards on purchases [EU-Startups, Dec 2025] [Bitstack]. Crunchbase classifies Bitstack as "a crypto-native neobank," which is consistent with the direction of travel: the product surface is moving from a single-feature savings widget toward a primary-account experience built around Bitcoin accumulation [Crunchbase].
On execution and order routing, Bitstack publishes a best-execution policy stating that when it executes an order on behalf of a customer, the best possible result is determined by total cost, defined as the price of the crypto-asset plus execution-related costs [Bitstack]. The company's commercial policy describes a transparent pricing mechanism with three components [Bitstack]. Underlying payment rails run through Xpollens, under which Bitstack operates as an agent for the card and IBAN functionality [Bitstack]. The deeper technical architecture (custody model, liquidity venues, mobile stack) is not publicly detailed beyond these regulatory disclosures.
Data Accuracy: GREEN -- Confirmed by Bitstack product pages, regulatory documents, and EU-Startups.
Market Research and Opportunity
PUBLIC
The European retail-Bitcoin market is moving from speculative trading to recurring savings, and that shift is what Bitstack is built to capture. The company cites that nearly 4 million French people hold Bitcoin, a figure it uses to frame the addressable population in its home market alone [Bitstack, 2025]. France is a useful proving ground: it has a large mass-affluent banking population, a strong neobank culture (Revolut, Lydia, Qonto), and one of Europe's more developed crypto regulatory regimes via the AMF's PSAN regime, now overlaid by MiCA at the EU level [Bitstack, June 2025].
The demand drivers cited in primary sources are two. First, a purchasing-power narrative: Bitstack frames its product as an answer to euro-denominated savings losing value over time, positioning Bitcoin as a hard-money savings layer rather than a speculative bet [Bitstack]. Second, a behavioral driver: the round-up mechanic borrows from a well-established consumer pattern (Acorns in the US, Moka in Canada, Plum in the UK) where micro-savings flows reduce the activation energy required to start investing. Bitstack's contribution is to plug that mechanic into a single, regulated Bitcoin asset.
| Sizing claim | Value | Source |
|---|---|---|
| French adults holding Bitcoin | ~4,000,000 | [Bitstack, 2025] |
| Bitstack reported users | >200,000 | [Bitstack, June 2025] |
| Bitstack total disclosed funding | ~$23.9M | [Tracxn] |
Against the cited 4 million French Bitcoin holders, Bitstack's reported 200,000-plus users represent roughly 5% (estimated) penetration of the home-market crypto-holding population, which leaves meaningful room to grow inside France before European expansion is even tested.
Adjacent and substitute markets matter. On one side sit pure crypto exchanges (Binance, Coinbase, Bitpanda, Kraken) that compete on breadth of assets and fee structure. On the other sit neobanks (Revolut, Trade Republic, N26) that have added crypto to a broader banking and brokerage product. Bitstack sits in a narrower lane: Bitcoin-only, savings-first, with a banking stack wrapped around it. The macro and regulatory tailwind is MiCA, which creates a single passport-style regime across the EU and lowers the marginal cost of expanding from France into the rest of Western Europe for compliant operators [Bitstack, June 2025].
Data Accuracy: YELLOW -- Sizing rests on a single Bitstack-cited figure (4 million French holders) without an independent third-party report attached in available sources.
Competitive Landscape
MIXED
Bitstack competes less with pure exchanges and more with the crypto features of European neobanks, but its narrower Bitcoin-only positioning is the basis for its differentiation.
The European competitive map [PUBLIC] sorts into three tiers. Incumbents are the multi-asset exchanges and brokers (Binance, Coinbase, Bitpanda, Kraken) that dominate active trading volume and have years of brand and liquidity advantage. Challenger neobanks (Revolut, Trade Republic, N26) bundle crypto into a primary account and reach tens of millions of European users; for many casual buyers, opening a Bitcoin position inside Revolut is the path of least resistance. Specialists, where Bitstack sits, focus on a single behavioral wedge: in Bitstack's case, recurring Bitcoin savings via round-ups, salary conversion, and stackback rewards [EU-Startups, Dec 2025].
Where Bitstack has a defensible edge today [MIXED]: regulatory standing in France (PSAN with the AMF and PSCA under MiCA) [PUBLIC] reduces friction relative to operators still working through licensing, and the savings-first product narrative is a clearer message than "trade 200 coins" for the mass-market saver the company targets [Bitstack, June 2025]. The euro account with a French IBAN plus salary-conversion feature is a meaningful behavioral lock-in: if a user routes part of their paycheck into Bitstack, the switching cost rises sharply [EU-Startups, Dec 2025] [PRIVATE inference]. Y Combinator network access [PUBLIC] is a softer but real edge for hiring and follow-on capital [LinkedIn].
Where Bitstack is most exposed: a large neobank deciding to copy the round-up-into-Bitcoin mechanic and offer it for free to a 30-million-user base would compress Bitstack's customer acquisition economics quickly. Revolut already lets users buy Bitcoin in-app and has a card and IBAN; the gap that Bitstack fills is the savings-first framing and the salary-conversion plus stackback bundle, but none of those features are technically out of reach for a larger competitor. Bitstack also does not (publicly) compete in multi-asset crypto, which caps its share of users who want broader exposure.
The most plausible 18-month scenario: winner if Bitstack converts its French base into a multi-country European footprint under MiCA before a major neobank ships an equivalent Bitcoin-savings product, because by then it will own the category association in Europe and have the regulatory stack to defend it; loser if Revolut or Trade Republic ships a free, well-marketed round-up-to-Bitcoin feature inside an existing primary account and Bitstack has not yet diversified geographically beyond France.
Opportunity
PUBLIC
If Bitstack executes, the prize is to become the default European savings rail for Bitcoin, a position no incumbent currently owns at scale.
The headline opportunity. The single largest outcome Bitstack could plausibly become is the category-defining Bitcoin savings neobank for Europe: the app that millions of Europeans open when they want a passive, recurring, regulated way to accumulate Bitcoin from ordinary spending and salary, in the same way Acorns came to own the round-up-into-equities category in the US. Three pieces of cited evidence make that outcome reachable rather than aspirational. First, the cited 4 million French Bitcoin holders show that the underlying behavior already exists at population scale in just one country [Bitstack, 2025]. Second, Bitstack already holds the two regulatory credentials (PSAN and PSCA under MiCA) needed to passport across the EU [Bitstack, June 2025]. Third, the December 2025 Series A explicitly funds European expansion and a fuller banking stack, meaning the company is moving from a feature into a primary financial relationship [EU-Startups, Dec 2025].
Growth scenarios.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| EU passport land-grab | Bitstack passports the French regulatory stack into 5+ EU markets and replicates the round-up-plus-card playbook | MiCA passporting + Series A capital deployment | Series A explicitly earmarked for European expansion [EU-Startups, Dec 2025]; PSCA approval already in hand [Bitstack, June 2025] |
| Salary-rail capture | A meaningful share of users route part of monthly salary into Bitcoin via the French IBAN, turning Bitstack into a primary account | Euro account + IBAN rollout, payroll integrations | Salary-conversion feature shipped with Series A product expansion [EU-Startups, Dec 2025] |
| Card-rewards flywheel | Stackback rewards on the VISA debit card drive everyday-spend share of wallet, compounding AUM in Bitcoin | VISA debit card with Bitcoin stackback live | Card and stackback feature publicly launched [EU-Startups, Dec 2025] [Bitstack] |
What compounding looks like. The flywheel that turns one win into the next has three loops. The savings loop: every round-up and stackback transaction increases user Bitcoin balances, which raises the psychological cost of leaving the app. The deposit loop: once users route salary through the French IBAN, Bitstack becomes a primary account and gains transaction visibility that makes future products (lending, yield, multi-asset) easier to underwrite [EU-Startups, Dec 2025]. The regulatory loop: each new EU market passported under MiCA lowers the marginal cost of the next, while compliance investment that competitors have not made becomes a moat [Bitstack, June 2025]. Reported user count crossing 200,000 by mid-2025 is early evidence the savings loop is already turning [Bitstack, June 2025].
The size of the win. A useful comparable is the European neobank category: Revolut crossed a private valuation of roughly $45 billion in 2024 secondary tenders (widely reported), and Trade Republic raised at multi-billion-euro valuations on the back of recurring retail savings flows. If Bitstack captures even a single-digit percentage of European Bitcoin savers and translates that into a primary-account relationship, a several-billion-euro outcome is structurally on the table (scenario, not a forecast). The narrower Bitcoin-only focus caps the ceiling versus a multi-asset neobank, but it also sharpens the wedge: Bitstack does not need to win banking, it needs to own one specific behavior across one continent.
Data Accuracy: YELLOW -- Scenarios extrapolate from confirmed product, regulatory, and funding facts; comparable valuations are directional context, not company-specific projections.
Sources
PUBLIC
[Bitstack] Save & invest in Bitcoin, effortlessly | https://www.bitstack-app.com/en
[Bitstack] About | https://www.bitstack-app.com/en/about
[Bitstack] Our mission at Bitstack | https://www.bitstack-app.com/en/actualites/our-mission-at-bitstack
[Bitstack, June 2025] Bitstack obtains its PSAN registration with the AMF | https://www.bitstack-app.com/en/actualites/bitstack-obtains-psan-registration-with-amf
[Bitstack, 2025] Bitstack Raises $15 Million to Become Europe's Leading Bitcoin Savings Platform | https://bitstack-app.com/en/news/bitstack-raises-15-million-to-become-europes-leading-bitcoin-savings-platform
[Bitstack] Bitstack raises 2 million euros to accelerate its development and democratize bitcoin in France | https://www.bitstack-app.com/en/actualites/bitstack-raises-2-million-euros-to-accelerate-its-growth-and-democratize-bitcoin-in-france
[Bitstack] The Bitstack Card - Earn free bitcoin on every purchase | https://www.bitstack-app.com/en/card
[Bitstack] Politique commerciale | https://bitstack-app.com/en/regulatory-documents/commercial-policy
[Bitstack] Best execution and order management policy | https://www.bitstack-app.com/en/regulatory-documents/best-execution-and-order-management-policy
[Crunchbase] Bitstack Company Profile & Funding | https://www.crunchbase.com/organization/bitstack
[Tracxn] Bitstack 2026 Company Profile, Team, Funding & Competitors | https://tracxn.com/d/companies/bitstack/__M5oLYzRewWRE1I9m7VJf2aBHBuOvc41qu_-J7oLGZzo
[PitchBook] Bitstack 2026 Company Profile: Valuation, Funding & Investors | https://pitchbook.com/profiles/company/489944-53
[EU-Startups, Dec 2025] Paris-based Bitstack expands its Bitcoin savings suite with fresh €12.9 million funding round | https://www.eu-startups.com/2025/12/paris-based-bitstack-expands-its-bitcoin-savings-suite-with-fresh-e12-9-million-funding-round/
[LinkedIn] Bitstack (YC S22) | https://www.linkedin.com/company/bitstack-app
[BFMTV, Feb 2026] Alexandre Roubaud, CEO de Bitstack | https://www.bfmtv.com/economie/replay-emissions/la-grande-interview/alexandre-roubaud-ceo-de-bitstack-05-02_EN-202602050809.html
Articles about Bitstack
- Bitstack Wants Every French Paycheck to Drip Into Bitcoin — The Paris startup just raised €12.9M to turn a round-up app into a euro account that converts salary into BTC.