According to @secondswap_io, SecondSwap charges sellers a 2.5% fee for listing and selling and charges buyers a 2.5% fee per transaction, source: @secondswap_io. Token issuers earn a revenue share for validating transactions, source: @secondswap_io. A cancellation fee applies to early delisting to maintain stability, source: @secondswap_io. Traders should incorporate the 2.5% per-side fees and potential delisting costs when modeling net execution price, slippage, and ROI, based on the disclosed schedule, source: @secondswap_io. The platform states all transactions are clear, verifiable, and without hidden costs, source: @secondswap_io.