Justin Sun Prize opens 14-day public review of first six candidates

• —Public review of six candidates runs 14 days from September 19
• —GitHub registry lists problems No. 305, 371, 381, 526, 866 and 1001
• —Prize pool is $10 million, with up to $1 million per problem
• —Payouts in USDT TRC20 or USDC ERC20; 70% to solver, 30% to verifier