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SAB 121

Definition

Staff Accounting Bulletin 121 (SAB 121) is guidance issued by the U.S. Securities and Exchange Commission (SEC) that addresses the accounting for obligations to safeguard crypto-assets held for platform users. It requires entities that hold crypto-assets for others to present a liability and a corresponding asset on their balance sheet at fair value. This guidance significantly impacts how crypto custodians and platforms report their financial positions. SAB 121 aims to enhance transparency and investor awareness regarding the risks associated with crypto-asset custody.