Team Summ

Summ now supports Polymarket and Monad. Import your betting and transaction data via wallet address or CSV for complete tax reporting.

We're proud to announce our new partnership with CoinRabbit, a crypto asset management platform with loan, earn, trade and save services whose users often engage in on-chain activity that can carry tax implications.

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Lock Periods lets you freeze past tax years while safely optimizing current ones. Lock historical data, experiment with accounting methods, and improve tax outcomes without risking previously filed reports.