BDO Italia's latest attestation report for Tether revealed that Bitcoin made up approximately $1.5 billion of the stablecoin issuer's reserves, or roughly 2% of the total, at the end of the first quarter. The accounting firm did not list Bitcoin (BTC) as a line item in previous reports.
Precious metals were also given their own line item in the report, revealing that Tether (USDT) holds around $3.4 billion worth of the assets, or approximately 4% of total reserves.