Log in

Home
aura-logo
Our Top Pick
Research
Analysis
Community
  1. Cryptonary
  2. Archived Posts
  3. $611 million stolen in Poly Network hack
News

$611 million stolen in Poly Network hack

Updated: Jul 25, 2024
Published: Aug 10, 2021
0
Share:

The cross-chain protocol Poly Network has been exploited for $611 million in what appears to be the largest DeFi hack that has ever happened.

Post Feature Image

Poly Network announced the hack on Twitter

Poly Network is a protocol for swapping tokens across multiple blockchains, including Bitcoin, Ethereum, and Ontology. The network tweeted just after the hack, "We are sorry to announce that #PolyNetwork was attacked on @BinanceChain @ethereum and @0xPolygon," and added, "We call on miners of affected blockchain and crypto exchanges to blacklist tokens coming from the above addresses."

According to a source, the hack was caused by a cryptography issue, and because PolyNetwork is a cross-chain protocol, the hacker could steal large amounts of money. The assets stolen were $273 million of Ethereum tokens, $253 million in tokens on Binance Smart Chain, and $85 million in USDC on the Polygon network.

Tether has blacklisted the USDT that was stolen in the attack

Since the theft, Tether has blacklisted the USDT on Ethereum that was stolen in the attack, roughly $33 million in tokens. A person even warned the hacker that USDT was blocked, and for some reason, the hacker donated the wallet address that warned him for this $42k.

The CEO of crypto exchange Binance tweeted Changpeng Zhao: "We are aware of the [poly. Network] exploit that occurred today. While no one controls BSC (or ETH), we coordinate with all our security partners to help proactively.

Slowmist announced it had already tracked down the attacker

Blockchain security firm Slowmist sent out a message saying it had already tracked down the attacker: ID. The company claims to know his email address, IP information, and fingerprint of his device. The company said the attacker's original funds were in Monero (XMR), which were exchanged for BNB, ETH and MATIC, and other tokens used to fund the attack.

Slowmist said this information was obtained through its Chinese partner crypto exchange Hoo and other exchanges. Other crypto users have claimed that the funds used for the attack came from the Hoo exchange.

100% Success Money Back Guarantee

If our approach doesn’t outperform the overall crypto market during your subscription, we’ll give you a full refund of your membership. No questions asked. For quarterly and monthly subscribers this is applicable once your subscription runs for 6 consecutive months.

Terms & Conditions apply

Star

Trusted by 300,000+ traders

Take your next step towards crypto success

Save 50%

$799/year

Get everything you need to actively manage your portfolio and stay ahead. Ideal for investors seeking regular guidance and access to tools that help make informed decisions.

VisaCardImageMsCardImageCoinbaseCardImageSolanaCardImage

For your security, all orders are processed on a secured server.

What’s included in Pro:

  • Success Guarantee, if we don’t outperform the market, you get 100% back, no questions asked

  • 24/7 access to experts with 50+ years’ experience

  • All of our top token picks for 2025

  • Our latest memecoins pick with 50X potential

  • On hand technical analysis on any token of your choice

  • Weekly livestreams & ask us anything with the team

  • Daily insights on Macro, Mechanics, and On-chain

  • Curated list of top upcoming airdrops (free money)

Our track record speaks for itself

With over 2.4M tokens and widespread misinformation in crypto, we cut
through the noise and consistently find winning assets.

  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
  • Token
/images/advertorial/corpcomm1.webp
/images/advertorial/corpcomm2.webp
/images/advertorial/corpcomm3.webp
/images/advertorial/corpcomm4.webp
/images/advertorial/corpcomm5.webp
/images/advertorial/corpcomm6.webp
/images/advertorial/corpcomm1.webp
/images/advertorial/corpcomm2.webp
/images/advertorial/corpcomm3.webp
/images/advertorial/corpcomm4.webp
/images/advertorial/corpcomm5.webp
/images/advertorial/corpcomm6.webp
/images/advertorial/corpcomm1.webp
/images/advertorial/corpcomm2.webp
/images/advertorial/corpcomm3.webp
/images/advertorial/corpcomm4.webp
/images/advertorial/corpcomm5.webp
/images/advertorial/corpcomm6.webp

Frequently Asked Questions

Can I trust Cryptonary's calls?

Yes. We've consistently identified winners across multiple cycles. Bitcoin under $1,000, Ethereum under $70, Solana under $10, WIF from $0.003 to $5, PopCat from $0.004 to $2, SPX blasting past $1.70, and our latest pick has already 200X'd since June 2025. Everything is timestamped and public record.

Do I need to be an experienced trader or investor to benefit?

No. When we founded Cryptonary in 2017 the market was new to everyone. We intentionally created content that was easy to understand and actionable. That foundational principle is the crux of Cryptonary. Taking complex ideas and opportunities and presenting them in a way a 10 year old could understand.

What makes Cryptonary different from free crypto content on YouTube or Twitter?

Signal vs noise. We filter out 99.9% of garbage projects, provide data backed analysis, and have a proven track record of finding winners. Not to mention since Cryptonary's inception in 2017 we have never taken investment, sponsorship or partnership. Compare this to pretty much everyone else, no track record, and a long list of partnerships that cloud judgements.

Why is there no trial or refund policy?

We share highly sensitive, time-critical research. Once it's out, it can't be "returned." That's why membership is annual only. Crypto success takes time and commitment. If someone is not willing to invest 12 months into their future, there is no place for them at Cryptonary.

Do I get direct access to the Cryptonary team?

Yes. You will have 24/7 to the team that bought you BTC at $1,000, ETH at $70, and SOL at $10. Through our community chats, live Q&As, and member only channels, you can ask questions and interact directly with the team. Our team has over 50 years of combined experience which you can tap into every single day.

How often is content updated?

Daily. We provide real-time updates, weekly reports, emergency alerts, and live Q&As when the markets move fast. In crypto, the market moves fast, in Cryptonary, we move faster.

How does the success guarantee work?

If our approach to the market doesn’t beat the overall crypto market during your subscription, we’ll give you a full refund of your membership fee. No questions asked. For quarterly and monthly subscribers this is applicable once your subscription runs for 6 consecutive months.

Recommended from Cryptonary
BTC, ETH and More: Oversold Bounces or Breakdown?
Market Direction
BTC, ETH and More: Oversold Bounces...Price action across majors has compressed into key higher-timeframe support. Conditions for a powerf...
8 min read
Nov 24, 2025
This Week's Setup: 24th of November
PRO
Market Updates
This Week's Setup: 24th of NovemberMarkets rarely move in straight lines, and this week is no exception. With sentiment shifting and vo...
10 min read
Nov 24, 2025
Are We Near a Market Bottom?
PRO
Research Report
Are We Near a Market Bottom?Fear is at extreme highs, stables are heavy, and Bitcoin dominance just took a hit. Are these signs ...
15 min read
Nov 23, 2025
Market Update: Are New Lows About to Hit?
PRO
Market Updates
Market Update: Are New Lows About t...Pressure is building, fear is rising, and the chart is winding up for a decisive move. The question ...
2 min read
Nov 26, 2025
Portfolio Allocation: How to Grow from $0 to $1M+
PRO
Research Report
Portfolio Allocation: How to Grow f...The structure of your portfolio should always reflect the size of your portfolio. Smaller accounts b...
16 min read
Nov 25, 2025
Market Pulse: HYPE Faces Its Biggest Unlock Yet
Market Pulse
Market Pulse: HYPE Faces Its Bigges...This week’s massive HYPE unlock sets the stage for supply-driven volatility, as protocol buybacks la...
3 min read
Nov 24, 2025
BTC, ETH and More: Oversold Bounces or Breakdown?
Market Direction
BTC, ETH and More: Oversold Bounces...Price action across majors has compressed into key higher-timeframe support. Conditions for a powerf...
8 min read
Nov 24, 2025
This Week's Setup: 24th of November
PRO
Market Updates
This Week's Setup: 24th of NovemberMarkets rarely move in straight lines, and this week is no exception. With sentiment shifting and vo...
10 min read
Nov 24, 2025
Are We Near a Market Bottom?
PRO
Research Report
Are We Near a Market Bottom?Fear is at extreme highs, stables are heavy, and Bitcoin dominance just took a hit. Are these signs ...
15 min read
Nov 23, 2025
Market Update: Are New Lows About to Hit?
PRO
Market Updates
Market Update: Are New Lows About t...Pressure is building, fear is rising, and the chart is winding up for a decisive move. The question ...
2 min read
Nov 26, 2025
Portfolio Allocation: How to Grow from $0 to $1M+
PRO
Research Report
Portfolio Allocation: How to Grow f...The structure of your portfolio should always reflect the size of your portfolio. Smaller accounts b...
16 min read
Nov 25, 2025
Market Pulse: HYPE Faces Its Biggest Unlock Yet
Market Pulse
Market Pulse: HYPE Faces Its Bigges...This week’s massive HYPE unlock sets the stage for supply-driven volatility, as protocol buybacks la...
3 min read
Nov 24, 2025
BTC, ETH and More: Oversold Bounces or Breakdown?
Market Direction
BTC, ETH and More: Oversold Bounces...Price action across majors has compressed into key higher-timeframe support. Conditions for a powerf...
8 min read
Nov 24, 2025
This Week's Setup: 24th of November
PRO
Market Updates
This Week's Setup: 24th of NovemberMarkets rarely move in straight lines, and this week is no exception. With sentiment shifting and vo...
10 min read
Nov 24, 2025
Are We Near a Market Bottom?
PRO
Research Report
Are We Near a Market Bottom?Fear is at extreme highs, stables are heavy, and Bitcoin dominance just took a hit. Are these signs ...
15 min read
Nov 23, 2025
Research
Top PicksDeep DivesPassive IncomeAirdrop ReportsCrypto Research
Analysis
Market UpdatesMarket DirectionMarket PulseLivestreams
Tools
Market DirectionAssets & PicksAirdropsPortfolio Tracker
Cryptonary
Affiliate programEducationPrivacy PolicyTerms & ConditionsContact UsWrite for us
Stay connected
Disclaimer: The information provided on this website is for educational and informational purposes only and does not constitute financial, investment, legal, or tax advice. Cryptonary is not a licensed financial advisor. All content is shared without any guarantee of accuracy or completeness. You are solely responsible for your investment decisions. Always do your own research and consult with a licensed professional before making financial choices. Past performance is not indicative of future results.

×

Don't Miss The Next 100X

We called major winners like

BTC

BTC

120X

ETH

ETH

270X

SOLANA

SOLANA

30X

Get our next high-conviction setup + weekly research free.

Join 300,000+ investors and traders who've been following us since 2017.

​
Germany

Free forever. Unsubscribe anytime. No credit card required.