What is a rug pull
and how to spot one
A rug pull is when a token's creators drain the value and disappear, leaving holders with nothing. Here are the types, the warning signs, and how to verify any token's liquidity, holders, and permissions with live on-chain data before you buy.
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What is a rug pull?
A rug pull is an exit scam: a token's creators attract buyers, then take the money and abandon the project. The classic move is draining the liquidity pool so the token can no longer be sold, but a rug can also be a slow dump of the team's allocation, a sudden supply mint, or disabling sells outright.
The common thread is control. When a deployer keeps the keys (unlocked liquidity, a large token stash, mint authority, or owner-only functions), they can remove the value at any time. Spotting a rug is about checking who holds that control before you buy, because once the funds move on-chain they are almost never recoverable.
Types of rug pull
Liquidity pull (hard rug)
The deployer removes the liquidity pool in one transaction. The token instantly becomes unsellable and the price collapses to zero. The fastest and most common rug.
Sell disable / honeypot
Buying works but selling is blocked via a blacklist, 100% sell tax, or a trading flag. Buyers are trapped while the chart climbs.
Dev dump (slow rug)
The team holds a large token allocation and sells into buyer demand over hours or days, bleeding the price down without ever touching liquidity.
Mint-and-dump
The owner retains mint authority, inflates the supply at will, and sells the freshly minted tokens, diluting every holder.
Common rug pull red flags
Unlocked liquidity
The LP is not locked or burned and is held by the deployer. Nothing stops them from withdrawing it the moment enough buyers arrive.
Concentrated holdings
A handful of wallets (often the deployer and connected addresses) hold a large share of supply, pre-positioned to dump.
Active mint authority
The owner can still mint new tokens (an EVM mint function, or a Solana mint authority that is not revoked), letting them inflate and dump supply.
Ownership not renounced
Privileged functions (fees, pause, blacklist, upgrade) remain controlled by an active wallet rather than renounced or behind a timelock.
Anonymous, unaudited team
No verifiable team, no audit, and copy-pasted or unverified contract code: common to throwaway scam launches.
Hype with no substance
Aggressive paid shilling, urgency ("last chance"), and locked or freshly-created socials, with no real product or traction behind the token.
How to check a token for rug risk
Check liquidity lock and depth
Confirm the LP is locked or burned, for how long, and that it is deep enough to matter. Unlocked deployer-held liquidity is the single biggest rug vector.
Check holder distribution
Look at the top holders. If the deployer or a few wallets hold a large percentage, a coordinated dump can tank the price regardless of liquidity.
Check supply controls
Verify mint authority is revoked (Solana) or there is no owner-callable mint (EVM), so the supply cannot be inflated out from under you.
Check ownership and permissions
Is ownership renounced or behind a timelock or multisig? Active owner powers (fees, pause, blacklist, proxy upgrade) are all post-launch rug levers.
Scan the full contract
Resolve all of the above into one verdict (liquidity, distribution, supply, ownership, and sell-simulation) instead of checking each by hand.
One scan, every signal
Instead of inspecting liquidity, holders, and permissions separately, XemaS resolves them into a single evidence-backed verdict.
Verdict: unlocked liquidity, concentrated supply, and active mint authority. The deployer can exit at any time. Coordinated-exit risk is high. Do not enter.
Illustrative example. Run a real token to see its live verdict.
Scan it, then watch it
Get an instant liquidity, holder, and permissions verdict, then monitor the token for the coordinated-exit signals that precede a rug. Free, no account required to scan.