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Binance announced that Binance Spot will be launching the OpenLedger (OPEN) Trading Challenge, where eligible users will have a chance to share a total prize pool of 5,000,000 OPEN in token vouchers.Promotion Period: September 8, 2025, 12:00 (UTC) to September 22, 2025 12:00 (UTC)Promotion A: New Users Exclusive, Rewards: Up to 250,000 OPENAll verified new users who register with Binance during the Promotion Period (users who have not joined Binance prior to commencement of the Promotion Period).All verified new users who have not joined any other New User Exclusive Binance Spot campaigns prior to the start of the promotion period. Deposit a cumulative amount of at least 100 USD equivalent of fresh funds in USDT, USDC and/or OPEN via Binance P2P, card, fiat, and/or crypto deposit to earn a random reward between 5 and 30 OPEN in token vouchers, limited to the first 15,625 users.Promotion B: Open to All Users, Rewards: Up to 1,000,000 OPENAll verified regular users and all Binance VIP users can participate.Eligible pairs: OPEN/USDT, OPEN/USDC, OPEN/BNB, OPEN/TRYTrade a cumulative amount of at least 300 USD equivalent in OPEN on Binance Spot during the Promotion Period to earn a randomly generated reward of between 5 and 30 OPEN in token vouchers, limited to the first 62,500 users.Promotion C: Trading Volume Tournament, Rewards: Up to 3,750,000 OPENAll verified regular users and all Binance VIP users can participate.Liquidity providers in the Binance Spot Liquidity Provider Program and Binance Brokers are not eligible to participate.Eligible pairs: OPEN/USDT, OPEN/USDC, OPEN/BNB, OPEN/TRYTrade a cumulative amount of at least 500 USD equivalent in any OPEN pairs on Binance Spot during the Promotion Period. Users who do not meet this threshold will not qualify for any reward under Promotion C.The final prize pool will be determined by the total number of eligible participants, as follows:1 - 9,999 Participants: 1,200,000 Prize Pool in (OPEN) token vouchers10,000 - 19,999 Participants: 2,400,000 Prize Pool in (OPEN) token vouchers≥ 20,000 Participants: 3,750,000 Prize Pool in (OPEN) token vouchersRewards Calculation Logic: User's Final Allocation = (User's Trading Volume / Total Trading Volume of All Eligible Participants for Promotion C) * Prize PoolRewards for Promotion C are capped at 5,000 OPEN in token vouchers per user.