Rug pull cryptocurrencies have cost investors billions of dollars. Developers hype a token, attract liquidity, then disappear overnight — leaving holders with worthless coins. If you’re researching crypto projects before putting money in, understanding past rug pulls is one of the most valuable things you can do. Want to trade on an exchange with scam-detection tools built in? Check out our recommended safe crypto exchange →
This guide breaks down 10 of the most notorious rug pulls in crypto history. Each entry covers what the project promised, how the exit played out, red flags investors missed, and what you can learn from it.
None of these are investment recommendations. They are cautionary records — documented cases of fraud that shaped how the crypto industry handles project vetting today.
Quick Comparison: 10 Notorious Rug Pull Cryptocurrencies
| Token | Year | Estimated Loss | Type | Red Flag Rating |
|---|---|---|---|---|
| SQUID Token | 2021 | ~$3.38M | Classic Rug | 🚩🚩🚩🚩🚩 |
| Anubis DAO | 2021 | $60M | Liquidity Drain | 🚩🚩🚩🚩🚩 |
| Frosties NFT | 2022 | $1.3M | NFT Rug | 🚩🚩🚩🚩 |
| Luna Yield | 2021 | ~$6.7M | DeFi Exit Scam | 🚩🚩🚩🚩🚩 |
| Meerkat Finance | 2021 | $31M | Smart Contract Exploit/Rug | 🚩🚩🚩🚩🚩 |
| SafeMoon | 2021–2023 | $200M+ | Slow Rug / Fraud | 🚩🚩🚩🚩🚩 |
| Thodex | 2021 | $2B | Exchange Exit Scam | 🚩🚩🚩🚩🚩 |
| OneCoin | 2014–2019 | $25B | Ponzi / Fake Blockchain | 🚩🚩🚩🚩🚩 |
| Bored Bunny NFT | 2022 | ~$22M | NFT Rug | 🚩🚩🚩🚩 |
| Uranium Finance | 2021 | $50M | Exploit / Suspected Rug | 🚩🚩🚩🚩🚩 |
What Is a Rug Pull in Crypto?
A rug pull happens when a crypto project’s team abandons the project and drains investor funds. The name comes from the phrase “pulling the rug out.” It is the most common type of crypto exit scam. Most rug pulls share three phases: aggressive hype, a liquidity buildup, and a sudden disappearance.
There are three main types. A hard rug pull is sudden — developers drain the liquidity pool in one transaction. A soft rug pull happens gradually, with insiders slowly selling tokens over weeks or months. A restricted rug traps buyers by disabling the sell function in the smart contract.
10 Notorious Rug Pull Cryptocurrencies: Full Breakdowns
1. SQUID Token (2021)
SQUID Token launched in October 2021, riding the wave of Netflix’s Squid Game popularity. Developers claimed it would be used in a play-to-earn game. The token rose over 75,000% in days. Then it crashed to near zero in minutes.
Features
- Sell restrictions coded into the smart contract — buyers could not sell
- Anonymous team with no verifiable credentials
- No working game or product ever delivered
- Unaudited smart contract
Pros for Scammers / Cons for Investors
✅ What made it appealing (and dangerous):
- Tapped into mainstream pop culture moment
- Massive media attention drove organic FOMO
- Low initial entry price attracted retail buyers
❌ Red flags investors missed:
- Investors could not sell — only buy
- No audit, no doxxed team
- Whitepaper was vague and unverifiable
- Coin Marketcap added a warning — developers ignored it
Best for: A textbook case study on hype-driven FOMO investing.
📌Further Reading: “How to Check if a Crypto Token Has Sell Restrictions”
2. Anubis DAO (2021)
Anubis DAO raised $60 million in ETH during a 24-hour fundraise in October 2021. Twenty hours after the raise ended, all funds were moved to an unknown wallet. The project had no website, no whitepaper, and a logo sourced from a free image site.
Features
- Dog-themed DeFi project with zero product development
- Launched on Copper Launch — a legitimate IDO platform (exploited for credibility)
- No smart contract audit
- Raised funds in a single day with minimal due diligence from investors
✅ What made it appealing:
- Used a reputable launchpad platform
- Dog-coin mania was at peak in 2021
- High social media buzz in short timeframe
❌ Red flags:
- No whitepaper or roadmap
- Anonymous team with no track record
- Logo stolen from free stock image site
- No product, no utility, no code repository
- $60M raised with no vesting schedule or lock
Best for: Understanding how social proof and legitimate platforms can be weaponized.
📌 Further Reading: “What to Check Before Investing in a DAO Token“
3. Frosties NFT (2022)
Frosties was an NFT collection that promised a metaverse game, exclusive merchandise, and holder rewards. Shortly after mint sold out — raising $1.3M — the developers deleted all social media accounts and vanished. This became one of the first major NFT rug pulls to end in criminal charges.
- 8,888 NFT collection, fully minted before the rug
- Developers Ethan Nguyen and Andre Llacuna were arrested in March 2022
- Both faced wire fraud and money laundering charges
- Highlighted that NFT rug pulls can result in federal prosecution
✅ What made it appealing:
- Strong art and branding
- Active Discord community pre-mint
- Roadmap included staking, metaverse, and merch
❌ Red flags:
- Anonymous developers with unverifiable backgrounds
- No locked smart contract or fund transparency
- All promises were post-mint — no accountability structure
Best for: Understanding legal risk and why NFT roadmaps need verifiable teams.
4. Luna Yield (2021)
Luna Yield launched on the Solana blockchain in August 2021. It was a yield aggregator that attracted $6.7M in TVL (total value locked). Within days of launch, developers drained all funds and shut down the website and social accounts.
- Built on Solana — one of the fastest growing chains at the time
- Offered high APY to attract liquidity quickly
- Unaudited protocol
- Vanished within days of accumulating significant TVL
✅ What made it appealing:
- Solana ecosystem was booming and attracted attention
- High APY yields were competitive with legitimate platforms
- Slick UI gave false sense of legitimacy
❌ Red flags:
- No audit from a recognized firm
- Anonymous team
- Unsustainably high yield promises
- No time-locked liquidity or developer vesting
Best for: Illustrating how DeFi yield farming can mask an exit scam.
5. Meerkat Finance (2021)
Meerkat Finance launched on BNB Smart Chain in March 2021. Just one day after launch, $31M in investor funds disappeared. Developers initially claimed a hack. On-chain analysis later suggested the exploit was an inside job — a classic “exit scam dressed as a hack.”
- Modeled after Yearn Finance — a legitimate yield optimizer
- Launched on BSC during a period of low-cost, high-speed DeFi activity
- Smart contract vulnerability appeared intentionally planted
- No recovery ever made to investors
✅ What made it appealing:
- Familiar DeFi brand styling
- Fast-growing BSC ecosystem
- Low gas fees attracted many first-time DeFi users
❌ Red flags:
- Launched with zero security audit
- Smart contract admin keys not publicly renounced
- Anonymous team with no history in DeFi development
- Protocol was barely 24 hours old when “hack” occurred
Best for: Understanding the overlap between hacks and orchestrated exits.
6. SafeMoon (2021–2023)
SafeMoon is one of the most publicized slow rug pulls in crypto history. It launched in March 2021 with celebrity endorsements and promises of “safe” gains. The SEC charged founders with fraud and market manipulation in 2023. Developers allegedly used investor funds for personal expenses including luxury cars and homes.
- 10% transaction tax on every trade (5% redistributed, 5% to liquidity)
- Celebrity and influencer-driven marketing campaign
- Peaked at a market cap over $5B before collapse
- SEC and DOJ charges filed against CEO John Karony in 2023
✅ What made it appealing:
- Name suggested safety and passive income
- Endorsed by celebrities and major influencers
- Token burn mechanism created illusion of scarcity
- Large, active community on Twitter and Reddit
❌ Red flags:
- No real product or utility ever launched at scale
- Tokenomics heavily favored early holders and developers
- Wallet explorer showed concentrated developer holdings
- Aggressive pushback against any critical journalism
- Multiple promises (SafeMoon Wallet, Exchange, Blockchain) all delayed or abandoned
Best for: Understanding how influencer marketing amplifies slow rug mechanics.
📌Further Reading: “SafeMoon SEC Charges Explained: What Investors Need to Know“
7. Thodex (2021)
Thodex was a Turkish crypto exchange. In April 2021, its CEO Faruk Fatih Özer fled Turkey with an estimated $2 billion in user funds. The exchange suddenly halted trading, citing a “suspicious activity investigation.” Özer was captured in Albania in 2022 and extradited to Turkey.
- One of the largest exchange exit scams in crypto history
- 400,000 active users affected
- Özer sentenced to 11,196 years in prison under Turkish law
- Highlighted the risk of using unregulated, centralized exchanges
✅ What made it appealing:
- Established Turkish exchange with years of operation
- Large local user base lent social trust
- Offered promotional “free crypto” campaigns to attract new users
❌ Red flags:
- Unregulated — no independent custodial audit
- Trading suddenly halted with vague explanation
- Withdrawal restrictions appeared before full shutdown
- CEO had sole administrative control of assets
Best for: Illustrating why proof-of-reserves matters for centralized exchanges.
8. OneCoin (2014–2019)
OneCoin is the largest cryptocurrency fraud ever documented. Founded by Ruja Ignatova — known as the “Cryptoqueen” — it raised an estimated $25 billion from investors globally. It had no real blockchain. Coins were never tradeable on any external exchange. Ignatova disappeared in 2017 and remains on the FBI’s most wanted list.
- Operated as a Ponzi scheme using an MLM distribution model
- Targeted developing markets with promises of financial inclusion
- Millions of victims across 175+ countries
- Multiple co-founders arrested and convicted globally
✅ What made it appealing:
- Positioned as the “Bitcoin Killer” with mainstream packaging
- Multi-level marketing structure created community incentives
- Educational materials and seminars gave false credibility
❌ Red flags:
- No verifiable blockchain explorer existed
- Coins could not be withdrawn to external wallets
- Heavy MLM recruitment incentives — classic pyramid structure
- Founder had documented fraud history before OneCoin
- No independent audit was ever permitted or produced
Best for: The most extreme example of how “crypto” branding can disguise a Ponzi scheme.
📌Further Reading: “The Cryptoqueen: OneCoin Fraud Timeline“
9. Bored Bunny NFT (2022)
Bored Bunny launched in January 2022, promoted heavily by celebrities on social media. The collection raised approximately $22M at mint. Its promised benefits — including a Bored Bunny Club, metaverse integration, and token airdrops — were never delivered. The project effectively went silent after launch.
- Celebrity-endorsed NFT collection with 4,753 unique NFTs
- Promoted by influencers with millions of followers
- Never delivered on metaverse, token, or utility promises
- No criminal charges filed as of publication — civil suits ongoing
✅ What made it appealing:
- Star-powered promotion gave social validation
- Launched during peak NFT bull market
- Impressive whitepaper and roadmap aesthetics
❌ Red flags:
- Celebrities were paid promoters, not genuine investors
- Anonymous developer team
- All utility was post-mint with no locked execution structure
- Secondary market volume collapsed immediately after mint
Best for: Understanding how celebrity promotion hides lack of substance in NFT projects.
10. Uranium Finance (2021)
Uranium Finance was a BSC-based AMM (automated market maker). In April 2021, a reported exploit drained $50M from its liquidity pools. The protocol had migrated to v2 just hours before the exploit occurred — a timing many analysts consider suspicious. Developers were never publicly identified.
- Modeled after Uniswap V2 architecture
- $50M drained through a mathematical flaw in the swap contract
- Protocol migration immediately preceded the exploit
- No post-exploit transparency or recovery plan issued
✅ What made it appealing:
- Based on a proven Uniswap codebase — seemed technically sound
- BSC’s low fees attracted high liquidity quickly
- Growing TVL created confidence among users
❌ Red flags:
- No third-party smart contract audit of the new v2 code
- Team anonymity meant zero accountability
- Suspicious timing of v2 launch and exploit
- No incident report or communication after the event
- Modified open-source code was not independently verified
Best for: Understanding why forked and modified DeFi code needs independent audits.
Protect Yourself: Tools and Platforms Worth Considering
No tool can guarantee you’ll avoid every scam. But the right platforms reduce your exposure significantly. Here are options worth researching:
- Token Sniffer — Free tool that scans smart contracts for rug pull indicators
- De.Fi Shield (formerly DeFi Safety) — Rates DeFi protocol security
- RugDoc.io — Community-driven rug pull risk assessments
- Regulated Exchanges — Platforms with proof-of-reserves and regulatory oversight reduce custodial risk
- Hardware Wallets — Keep assets off exchanges entirely
Ready to move your crypto to a safer, regulated exchange with scam-detection features? View our recommended exchanges here →
Who Should Research Rug Pulls / Who Can Skip This Deep Dive
✅ You Should Study These Cases If:
- You’re new to crypto and evaluating your first altcoin investments
- You participate in DeFi yield farming or liquidity pools
- You buy NFTs or participate in NFT mints
- You’ve been pitched a “new token” by someone in a Telegram or Discord group
- You want to understand how to read smart contracts and tokenomics
- You manage crypto investments for others
- You’re building a crypto project and want to understand what not to replicate
- You’re a journalist, researcher, or regulator studying DeFi fraud
❌ You Can Skip This If:
- You invest only in top-10 market cap assets on regulated exchanges
- You use only hardware wallets and never connect to unknown dApps
- You have no exposure to DeFi, NFTs, or small-cap altcoins
- You already have a rigorous due diligence process and smart contract review capability
- You’re purely a Bitcoin or Ethereum long-term holder with no DeFi activity
- You work at a regulated institution with compliance infrastructure
Frequently Asked Questions About Rug Pull Cryptocurrencies
What is a rug pull in cryptocurrency?
A rug pull is a crypto exit scam where developers build apparent legitimacy, attract investor funds into a token or protocol, then abruptly drain liquidity and disappear. It can happen in minutes (hard rug) or over months (soft rug). The term comes from the phrase “pulling the rug out from under” investors.
How do I spot a rug pull before it happens?
Key warning signs include: anonymous developer teams with no verifiable history, no third-party smart contract audit, tokens that can be bought but not sold, unsustainably high APY promises, concentrated token holdings in developer wallets, and a lack of a locked or time-vested liquidity pool. Tools like Token Sniffer and RugDoc can help automate initial checks.
Can you get money back after a crypto rug pull?
In most cases, recovery is very difficult or impossible. Blockchain transactions are irreversible. If developers are identified and prosecuted, courts may order restitution — as in the Frosties NFT case — but payouts are rare and partial. Your best defense is prevention, not recovery.
Are rug pulls illegal?
In most jurisdictions, yes. Rug pulls can constitute wire fraud, securities fraud, or theft depending on how they’re structured and where the developers are located. The Frosties NFT developers faced federal wire fraud charges. SafeMoon’s CEO faced SEC and DOJ action. However, prosecution requires identifying the perpetrators — which is often difficult with anonymous teams.
What’s the difference between a rug pull and a hack?
A hack involves an unauthorized external party exploiting a vulnerability. A rug pull is an intentional inside job — the developers themselves drain the funds. The lines can blur when developers plant exploitable bugs in their own contracts, as suspected in the Meerkat Finance and Uranium Finance cases. On-chain forensics can sometimes distinguish between the two.
Final Verdict: What These 10 Cases Actually Teach Us
Every rug pull in this list succeeded for the same core reason: investors prioritized hype over verification. The mechanics differed — some were fast and technical, others were slow and social — but the underlying pattern was identical. Excitement overrode due diligence.
Three habits would have reduced exposure to nearly every case here. First, verify the team — doxxed developers with reputational stakes are meaningfully safer than anonymous ones. Second, check for audits — not just whether an audit exists, but what it found and who conducted it. Third, check wallet concentration — if developers hold 20–40% of supply with no lock, selling pressure is a matter of when, not if.
The crypto industry has developed better tooling since 2021. On-chain analytics, token scanners, and community-driven risk scoring have all improved. But bad actors continue to evolve their tactics. Staying informed about past rug pulls remains one of the most practical risk-management tools available to any crypto investor.
⭐⭐⭐⭐⭐ Educational Value Rating: 5/5 — These cases are essential knowledge for any active crypto participant.
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