The answer
If a transaction is accepted for processing but its instructions fail, the network can still collect the transaction fee. Insufficient prerequisites or invalid hooks can therefore cost SOL without moving tokens.
What to do next
Check the transaction logs and simulation error before repeating the same signed action.
Solscan — Solana explorer
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Ledger hardware wallet
A hardware signing device to compare for supported Solana assets; it does not fix Solana network, token or smart-contract faults.
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