Short answer

Yes — in many cases this matches a wallet drainer pattern, but the key detail is:

you likely didn’t just “send” tokens — you may have granted permission for them to be moved automatically afterward.

That permission is what attackers exploit.

What actually happened

When you approve something in a crypto wallet, there are usually two different actions:

1. Normal transfer • You send a specific amount once • You explicitly confirm it • It cannot be reused again

2. Token approval (high risk if malicious) • You approve a smart contract • It may gain permission to spend your tokens • It can move funds without asking again • Sometimes it’s set to “unlimited allowance”

This second one is what wallet drainers target.

Wallets like MetaMask rely on these approvals to interact with DeFi apps — but scammers exploit that system.

Why your tokens disappeared

If your tokens vanished after approval, it usually means: • a malicious contract received spending permission • the attacker triggered a transfer immediately after approval • or the contract was designed to auto-drain wallets after signing

So what you saw was:

not a simple transaction — but permission abuse followed by execution

Why it happens instantly

Wallet drainers are built to: • disguise approvals as normal actions • trigger urgency (“claim NFT”, “unlock airdrop”) • hide what the contract actually allows • sweep tokens right after approval

That’s why victims often say:

“I just approved it… and everything was gone.”

What this means

If your tokens disappeared after approval:

It likely means: • your private keys were not stolen • but your wallet granted dangerous permissions • those permissions were used to move assets out

So the core issue is:

not hacking — but malicious authorization

What actually matters now

Do this immediately: • revoke all active token approvals • disconnect your wallet from unknown sites • move any remaining assets to a new wallet • save all transaction hashes from the incident • identify the contract address you approved

At this stage, some victims use blockchain tracing analysis methods or specialist teams such as Jim Recovery Team to map where the funds moved, identify consolidation wallets, and track whether the assets are still visible on-chain.

Bottom line

If your tokens disappeared right after approving a transaction:

yes — this strongly matches a wallet drainer scenario, where a malicious approval was used to silently authorize token transfers.

The most important step now is not repeating any interaction with the same contract — it’s securing what’s left and preserving the transaction trail while it’s still traceable.