We finally published the Bittr App 🎉 👉🏻 iOS (TestFlight) for now. 👉🏻 Self-custodial and open source. 👉🏻 Buy with IBAN + email (KYC-light up to 999 CHF/€ / 30 days), 👉🏻 Send & receive on-chain or Lightning, 👉🏻 Swap on-chain ↔ Lightning in seconds with Boltz exchange in the background How it works and how you can use it already today 👉🏻

The Bittr App is here! 🎉

Self-custodial Bitcoin wallet for iOS. Buy, swap, send & receive via Lightning or on-chain. Open source. No verification needed up to 999 CHF/EUR.

I'm a simple pleb

This is Bittr Whales! A stacking program with a quick onboarding process 👇🏻 🐋 Buy above 999 CHF/€ per 30 days 🔐 Self-custodial model stays the same 💸 Lower fees for larger volumes (33% less from 50,000 CHF) ⏱ Review usually takes a few hours up to 1 business day. Bittr Whales: Stack sats without limits and get started at

Bittr Whales · BITTR AG

Bittr Whales: Stack sats without limits

Buy larger amounts of Bitcoin with Bittr Whales. One-time KYC unlocks unlimited purchases with 33% lower fees from 50,000 CHF. Still fully self-cus...

CARF, DAC8, tax reporting: What do the new rules mean for Bittr? We just published a post that breaks down what the new regulation framework means and how it affects us. TLDR: 🇪🇺 EU: data collection started on January 1st, 2026, but the first reporting/exchange is expected from 2027. 🇨🇭 Switzerland: CARF is expected at the earliest from 2027. 🐷💰 For Bittr in 2026: no automatic tax reporting, and the KYC-light model (up to 999 CHF/€ per 30 days) stays. Full blog post below here ✌️

CARF & DAC8: What do the regulations mean for Bitcoin buyers in the EU and Switzerland?

CARF & DAC8: What do the new crypto regulations mean for Bitcoin buyers in the EU and Switzerland? Learn when they apply and what data is reported.

You can’t print energy. You can’t print time. You can’t print Bitcoin.

I’ve been digging into Bitaxe lately. The odds with a typical Bitaxe (~1.3 TH/s) to find a block and get 3.125 Bitcoin: per day: ~1 in 3.2 million per month: ~1 in 107,000 per year: ~1 in 8,800 😅 Tiny chances… but not zero (already happened before). If you're considering getting a Bitaxe I've written a little blogpost that includes everything you need to know ✌️

What is a Bitaxe?

Discover Bitaxe: the world's first open-source ASIC miner. Affordable, efficient, and designed to decentralize Bitcoin mining. Learn how to build y...

Bittr has now implemented BIP322, the new message signing standard Hey fellow Bitcoiners! I played around with the new BIP322 and implemented it on bittr! As far as I know, the only wallet it works with is Sparrow wallet and Phantom, does anyone here know another wallet that has it implemented? Read everything about it:

Bittr now supports Taproot addresses

Bittr now supports Taproot addresses and the new Bitcoin message signing standard (BIP322).

The fully self-custodial Bittr Lightning app is out!⚡ We’ve just launched the first version, and we’d love your help making it better. You can buy, swap, receive, and send. All in one place. Want to be among the first iOS testers?

Yes, we've built a Lightning App. Fully self custodial. Want to be one of the first testers? Let me know and I'll send you the link (iOS only) ⚡️

GM ☕️

GM ☕️

The Bitcoin Whitepaper turns 17 this Friday 🥳 We’ve put together a short summary of what it is, when it was published and why it’s worth celebrating if you're a Bitcoiner. 🙌🏻 Find it in the latest Bittr Academy article.

What is Bitcoin Whitepaper Day? - Bittr Academy

17 years of the Bitcoin whitepaper: celebrating Satoshi’s vision. 21 million, proof-of-work, peer-to-peer and self-custody. Bitcoin’s beginning.

GM ☕️

Do you know what's better than buying Bitcoin? Buying Bitcoin into your own Wallet.

Klassiker

🇺🇸 Thank you, Satoshi 🇩🇪 Danke, Satoshi 🇧🇷 Obrigado, Satoshi 🇪🇸 Gracias, Satoshi 🇫🇷 Merci, Satoshi 🇮🇹 Grazie, Satoshi 🇳🇱 Dank je, Satoshi 🇵🇱 Dziękuję, Satoshi 🇹🇷 Teşekkürler, Satoshi 🇸🇦 شكراً يا ساتوشي 🇮🇱 תודה, סאטושי 🇯🇵 ありがとう、サトシ 🇰🇷 고마워, 사토시 🇨🇳 谢谢你，中本聪 🇷🇺 Спасибо, Сатоши Which one is missing?

🔥 Neu: Die Bittr Academy! Wir haben eine komplette Bitcoin Education Section erstellt – komplett kostenlos. Hier kannst du alles über Bitcoin lernen: Von den Grundlagen über die Aufbewahrung bis hin zur Technik. 📚 Die Bittr Academy hat alles, was man über Bitcoin wissen musst – klar und auf den Punkt. Hier geht's zum Blogpost:

The Bittr Academy is here!

Learn Bitcoin basics, tech, and security with the free Bittr Academy—your easy guide to understanding and using Bitcoin with confidence.

Hier geht's direkt zur Academy:

Bittr Academy

Learn Bitcoin the easy way with Bittr Academy. Simple guides, tips, and tools to help you buy, save, and secure Bitcoin—directly into your wallet.