Grayscale cites security concerns for withholding on-chain proof of reserves Post author:MiamiCrypto Post published:November 19, 2022 Post category:Bitcoin / bitcoin reserves / coinbase custody / crypto securities / digital asset investment / ftx / GBTC / Grayscale / grayscale bitcoin / on-chain / Proof of Reserves / Twitter / wallet addresses Grayscale shared a letter from Coinbase Custody attesting that each of Grayscale’s crypto products is fully backed, but stopped short of providing the wallet addresses. You Might Also Like BTC price double top forming? 5 things to know in Bitcoin this week April 3, 2023 US Bitcoin ETFs secure 5-day inflow streak as BlackRock rakes in $184 million September 26, 2024 Dormant Bitcoin whale wakes up after 13 years and moves 909 BTC January 20, 2026