Global banks held $367 billion in crypto assets under custody in Q2 last year, data from the Basel Committee on Banking Supervision showed.
The Basel Committee's framework, based on responses to a December 2022 discussion paper, must be implemented by 2026.
The Basel Committee for Banking Supervision wants to tighten requirements that allow stablecoins to qualify as less risky than unbacked cryptocurrencies like bitcoin.
Regulators have been looking to increase supervision of crypto and mitigate risks posed by banks' exposure to crypto.