Massive exploit threatens crypto 🚨

Security experts are warning crypto users to not transact on-chain amid the fallout from a large-scale supply chain exploit. Here's what we know.

Author

Andrew Hayward
September 08, 2025

📝 What you need to know

You might want to tuck that crypto wallet away—at least for now.

On Monday, crypto security experts raised alarms about a massive supply chain hack that has impacted widely used JavaScript libraries. How does this impact crypto? According to Ledger CTO Charles Guillemet, the “malicious payload works by silently swapping crypto addresses on the fly to steal funds.” He added that the exploit could impact users across “potentially all chains.”

Guillemet and other security experts are advising crypto users to avoid on-chain transactions as popular apps and platforms could potentially be compromised. The story is rapidly evolving, and we’ll continue to cover the situation as more details emerge. Be careful out there.

Crypto Users Warned to Stop Transacting as Massive Exploit Threatens Apps and Wallets

Security experts are advising crypto users to be very careful as a large-scale supply chain exploit could be used to swipe funds.

Nasdaq Files With SEC to Allow Trading of Tokenized Stocks

Nasdaq has asked the SEC for a rule change that would allow the stock exchange to record stocks in tokenized form, according to a filing.

Forward Industries Stock Soars Following $1.65 Billion Solana Treasury Pivot

A designer of medical and technology products unveiled backing that could make it the largest Solana treasury firm.

BitMine Widens Ethereum Treasury Lead as ETH Stash Hits $9 Billion With Latest Buy

BitMine boosted its Ethereum holdings and made a strategic investment in a Worldcoin treasury firm, sending OCTO shares up more than 3,000%.

📊 Myriad Market of the Day

New Solana ATH by end of year?

Trade "New Solana ATH by end of year?" on Myriad

💬 Quote of the Day

❝

“I would strongly recommend not signing any crypto transactions right now.”

Crypto security expert Cygaar advises caution amid the supply chain exploit

🥇 Be First to Market With Myriad

Join the Myriad Markets Telegram to see the latest prediction markets the second they drop!

With Myriad, the on-chain prediction market launched by Decrypt’s parent company DASTAN, you can break the news and stake the news, using USDC and points.

🕵🏻‍♀️ Editor’s Picks

Why Sharplink's Plan to Stake Ethereum on Linea Got a Muted Response From Investors

Sharplink shares drop 11% as investors grow skeptical of the Ethereum treasury company's ambitious ETH acquisition goals.

ATM Operator Athena Bitcoin Profits From Elderly Scams, Alleges DC Attorney General

Washington, D.C., AG Brian Schwalb filed suit against Athena Bitcoin, accusing the Bitcoin ATM operator of ignoring scams targeting elderly.

Why AI Keeps Making Stuff Up—And How to Fix It

OpenAI research explains why AI chatbots hallucinate—and how users can reduce false answers with prompts, settings, and smarter habits.

From our partner

Gate and Decrypt to bring you Token of Love Music Festival around Token2049

The Token of Love Music Festival, titled by Gate and featuring Decrypt as a key partner, will take place in Singapore on October 1, 2025. The event boasts an all-star lineup including K-pop icon HyunA, U.S. rapper SUECO (known for viral hits “Fast” and “Paralyzed”), popular rock band CLICK#15, and history-making DJ KAKA—the first female artist to enter DJ Mag’s Top 100.

📚 Watch and Learn

📹️ WATCH: BTC HOLDS SUPPORT, MAJORS ALL UP, PUMP +40% IN A WEEK

BTC holds $110k support, sentiment back to neutral. Robinhood to join S&P 500, Strategy misses out. Whales sold $12.7b BTC over past month. Companies currently buying 1755 BTC per day. SOL gets new treasury vehicle with $1.65bn cash. ETH ETFs saw 2nd largest daily outflow ever. Crypto bill proposes SEC-CFTC crypto committee. SEC, CFTC seek to ‘harmonize’ on DeFi. HYPE nears ATH, Paxos, Frax, Agora bid for stablecoin, more.

🎓️ LEARN: What is Ethereum (ETH)? A Beginner's Guide to the Smart Contract Blockchain

Created by Vitalik Buterin, Ethereum is a blockchain that enables smart contracts and dapps to operate on its network.

Interested in partnering with Decrypt? Find out more here.