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SatoshiLabs Group
Czech bitcoin-first technology holding developing open-source hardware and software for digital-asset security, self-custody, Bitcoin access, and secure hardware.
Prague, Czech Republic
Trezor
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Description
Trezor is a self-custody crypto hardware-wallet product line. Its devices keep private keys offline and allow users to approve trusted transactions, recover access using a wallet backup, and connect with supported wallet apps and decentralized applications. The companion Trezor Suite app supports managing, sending, buying, selling, swapping, and staking selected crypto assets.Category: Hardware Wallet
Invity
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Description
Invity Finance s.r.o. operates Invity, a Prague-built mobile Bitcoin investment platform. Founded in 2019 as a Bitcoin and cryptocurrency comparison tool integrated with Trezor Suite, it evolved into an app offering Bitcoin purchases and sales, recurring buys, Turbo Buy strategies, portfolio tools, custody, and transfers to self-custody wallets. Invity is part of the SatoshiLabs Group and received Czech National Bank MiCA authorization on 11 February 2026.Category: On/Off Ramp
Tropic Square
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Description
Tropic Square s.r.o. designs, manufactures, sells, maintains, and supports auditable secure integrated circuits. Its flagship TROPIC01 secure element is RISC-V-based and provides hardware-root-of-trust capabilities including secure boot, firmware updates, device identity, key storage, cryptographic operations, and tamper resistance. TROPIC01 is in production and available to order.Category: Service Provider
Vexl
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Description
Vexl is a mobile service operated by Vexl s.r.o. that connects Bitcoin buyers and sellers within trusted social networks. Users can browse or create offers, communicate through encrypted chat, and arrange online or in-person trades without KYC. Vexl does not provide escrow or facilitate the underlying Bitcoin transaction, and its mobile-app source code is publicly available.Category: On/Off Ramp