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Dev.to
5/9/2026
Solana Transactions Cost Money Even When They Fail

Solana Transactions Cost Money Even When They Fail

Short summary

Solana's transaction model differs from Web2: the blockchain processes before validating, so even failed on-chain operations cost 0.000005 SOL. Local validation and RPC simulation are free, but anything reaching the network incurs a fee. Always simulate transactions and validate client-side balances to avoid wasted costs.

  • •Failed on-chain transactions cost 0.000005 SOL; Web2-style free failures don't exist
  • •CLI and RPC simulation checks are free, but on-chain attempts always cost
  • •Pre-validate and simulate before sending to avoid unnecessary transaction fees

Generated with AI, which can make mistakes.

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