New Binance WODL Answers (Dec 12-18) Weekly Theme: Proof of Reserves 3 Letters: POR | 4 Letters: HASH | LEAF | SAFU | 5 Letters: SWEEP | AUDIT | TRUST | 6 Letters: WALLET | SAFETY | LEDGER | MERKLE | VERIFY | 7 Letters: CUSTODY | ACCOUNT | 8 Letters: SNAPSHOT | RESERVES | RESEARCH |