ProveVerifyProof of Reserves
ProveVerifyProof of Reserves
The fastest way to prove Bitcoin ownership — now in Private Beta

August 21, 2025

The fastest way to prove Bitcoin ownership — now in Private Beta

Hoseki Prove is now in private beta. Turn your self-custody Bitcoin into usable wealth with real-time, financial-style statements — clearly, privately, and on your terms.

TFTC: Marty Bent and Sam Abbassi

June 30, 2025

TFTC: Marty Bent and Sam Abbassi

Our CEO, Sam Abbassi, joined Marty Bent to discuss the FHA’s new policy counting Bitcoin and crypto on regulated exchanges toward mortgage net worth, and how Hoseki’s self-custody verification proves ownership without sacrificing sovereignty—advancing Bitcoin’s integration into finance while preserving its core principles. Watch the full conversation here.

Galaxy Brains Podcast: Sam Abbassi

June 06, 2025

Galaxy Brains Podcast: Sam Abbassi

Our CEO, Sam Abbassi, joined Alex Thorn on Galaxy Brains to discuss the growing focus on proof of reserves in Bitcoin, why some institutions resist transparency, and what it means for Bitcoin’s role as a verifiable public ledger. They covered regulatory constraints, custody structures, the role of auditors, and how Hoseki is delivering real-time, cryptographic accountability to digital assets. Watch the full conversation here.

Bitcoin Treasuries Podcast: Sam Abbassi

April 03, 2025

Bitcoin Treasuries Podcast: Sam Abbassi

Our CEO joins Tim Kotzman on the Bitcoin Treasuries podcast to discuss Bitcoin’s scarcity, the latest developments at Hoseki, and why Proof of Reserves matters. Watch the full conversation here.

Bitcoin Nashville 2024: Proof of Reserves

August 23, 2024

Bitcoin Nashville 2024: Proof of Reserves

Our CEO, Sam Abbassi, gives a brief overview of Proof of Reserves in Bitcoin and a breakdown of some products during Bitcoin Nashville 2024.

Metaplanet and Hoseki: Pioneering Bitcoin Transparency

July 23, 2024

Metaplanet and Hoseki: Pioneering Bitcoin Transparency

We are thrilled to announce a groundbreaking partnership between Metaplanet Inc., a Japanese public company listed on the Tokyo Stock Exchange, and Hoseki, a global leader in Bitcoin verification solutions.

Hoseki Launches Spot Bitcoin ETF Verification Tool: Hoseki Verified

May 01, 2024

Hoseki Launches Spot Bitcoin ETF Verification Tool: Hoseki Verified

Today marks a new chapter in institutional Bitcoin adoption. The flood of retail and institutional interest into Bitcoin, in addition to the capital that comes along with that interest, has marked a new era in the evolution of this nascent and generation-defining asset. Hoseki has one singular interest and one ...

Hoseki and Bitwise: Setting a New Standard for Transparency in Spot Bitcoin ETFs

May 01, 2024

Hoseki and Bitwise: Setting a New Standard for Transparency in Spot Bitcoin ETFs

Hoseki has launched Hoseki Verified, a public real-time verification platform that displays the bitcoin holdings of spot Bitcoin ETF issuers and other institutions, starting with Bitwise as the first participant. The initiative aims to set a new industry standard for transparency and accountability, giving investors unprecedented visibility into custodial BTC holdings.

New Report Explains Risks of Bitcoin Lending and Rehypothecation

February 12, 2023

New Report Explains Risks of Bitcoin Lending and Rehypothecation

A new report by Hoseki unpacks the risks and realities of lending and rehypothecation for the Bitcoin economy.

Bitcoin and the Five C's: Capital

January 27, 2023

Bitcoin and the Five C's: Capital

Bitcoin is a uniquely valuable asset for borrowers to prove their worthiness to a prospective lender.

WATCH: Sam Abbassi Explains Proof of Reserves on The Breakdown

December 29, 2022

WATCH: Sam Abbassi Explains Proof of Reserves on The Breakdown

Hoseki CEO Sam Abbassi joins Nathaniel Whittemore on The Breakdown to explain why Proof of Reserves matters for the bitcoin economy.

Bitcoin and the Five C's: Capacity

December 06, 2022

Bitcoin and the Five C's: Capacity

Lenders can look at a borrower’s bitcoin holdings and measure the growth of their savings over time to determine their capacity.

WATCH: Sam Abbassi on Tales from the Crypt (TFTC)

December 05, 2022

WATCH: Sam Abbassi on Tales from the Crypt (TFTC)

Hoseki CEO Sam Abbassi chats with TFTC Host Marty Bent about bitcoin.

WATCH: Sam Abbassi Presents at Adopting Bitcoin

November 23, 2022

WATCH: Sam Abbassi Presents at Adopting Bitcoin

Hoseki CEO Sam Abbassi delivers a presentation on the future of bitcoin-based finance at Adopting Bitcoin 2022.

Bitcoin and the Five C's: Credit

November 21, 2022

Bitcoin and the Five C's: Credit

Mechanisms that determine a credit score are often mysterious and opaque. Bitcoin can fix this.

support@hoseki.app

Products

ProveVerifyProof of Reserves

© 2025 Hoseki

Terms of ServicePrivacy Policy