The answer
Yes, on-chain token balances may persist; liquidity, redemption, contract upgrades and practical value may disappear.
What to do next
Check the token contract and market support, distinguishing ownership from redeemability.
Mempool.space Bitcoin explorer
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Trezor hardware wallet
Related self-custody hardware; verify supported coins, networks and recovery standards. It cannot reverse an already compromised seed or fraudulent transfer.
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