Definition
Rug Pull — a type of crypto scam where developers suddenly withdraw all liquidity or user funds and disappear. The name comes from "pulling the rug out from under someone."
Types of Rug Pulls
1. Liquidity Withdrawal
Token creators:
1. Launch token on DEX
2. Attract investors with hype
3. Add liquidity
4. Wait for price growth and money inflow
5. Withdraw all liquidity
6. Investors can't sell tokens
2. Hidden Code Functions
- Mint function — unlimited emission
- Blacklist — blocking sales
- Hidden fees — 99% sell fee
- Pause trading — disabling trades
3. Pump and Dump
1. Creators accumulate tokens
2. Promote the project
3. Price rises due to hype
4. Mass sell their tokens
5. Price crashes to zero
How to Spot a Rug Pull
Red Flags
| Sign | Why It's Dangerous |
|---|---|
| Anonymous team | No accountability |
| No code audit | Hidden functions |
| Unlocked liquidity | None or short-term |
| Unrealistic promises | "1000x guaranteed" |
| Aggressive marketing | Pressure for quick decisions |
| Copy-paste documentation | No real product |
Technical Signs
Check the contract:
- Can owner mint?
- Is there a pause function?
- Is there a blacklist?
- Is liquidity locked?
- What % of tokens does team hold?
Famous Rug Pull Examples
| Project | Year | Losses |
|---|---|---|
| Squid Game Token | 2021 | $3.4M |
| AnubisDAO | 2021 | $60M |
| Meerkat Finance | 2021 | $31M |
| Thodex | 2021 | $2B |
How to Protect Yourself
Research the Project
- Check team — real people with history?
- Read smart contract audit
- Verify liquidity lock on DEXTools
- Study token distribution
Technical Checks
- TokenSniffer — contract analysis
- RugDoc — safety rating
- DEXTools — liquidity and holders
- Etherscan — contract code
Investment Rules
| Rule | Implementation |
|---|---|
| No FOMO | Don't buy on hype |
| Small amounts | No more than 1-2% of portfolio |
| Diversification | Not everything in one altcoin |
| Research | At least an hour of study |
Rug Pulls and DCA
For investors using DCA:
Safe Approach
DCA Portfolio:
├── 60% Bitcoin — no rug pull risk
├── 30% Ethereum — no rug pull risk
└── 10% Altcoins — only verified projects
├── Top-10 by market cap
└── Audited protocols
What to Do If Suspicious
- Don't panic
- Check if you can sell
- If yes — exit
- Report to community
Important: The best protection against rug pulls is sticking to DCA in proven assets. If you want to speculate on new tokens, allocate a minimal portion of your portfolio that you're ready to lose completely.
