Block Inc. (NYSE:SQ) published its first proof-of-reserves report Monday, disclosing total Bitcoin (CRYPTO: BTC) holdings of 28,355 BTC worth roughly $2.2 billion as of March 2026, confirmed by third-party auditors.
Block’s Bitcoin Holdings: Customer vs Corporate Split
Block’s Bitcoin reserves split into two categories: 19,357 BTC ($1.5 billion) held on behalf of customers and 8,997 BTC ($692.3 million) in corporate holdings.
The report covers assets across Block’s corporate treasury, Square, and Cash App.
The company said users shouldn’t have to trust that their Bitcoin is there, they should be able to verify it.
Using on-chain signatures, anyone can independently confirm Block’s holdings. Reserves are actively controlled, not just historically observed.
Block launched a proof-of-reserves dashboard that lets users verify wallet ownership …
