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A reportedly tampered Ledger bought in Europe has widened concerns over a hardware-wallet supply-chain attack linked to estimated Asian losses of $93.4 million. Separately, researchers used AI to find an XRP Ledger flaw that could theoretically have created more than 18 trillion XRP.
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Researchers found a decade-old XRP Ledger flaw that could have let attackers create spendable XRP from almost nothing. RippleX patched the issue in xrpld 3.4.1 on Sept. 25 and said it found no evidence of exploitation on public networks.
Ledger is investigating reported cryptocurrency losses linked to CryptoBilis, an authorized reseller in Indonesia, Malaysia and the Philippines. Researchers have estimated suspected thefts at between $72 million and $86 million, but Ledger has not confirmed the figures or the cause.
Strategy’s STRC repurchases represented more than 20% of weekly trading volume during most of September, according to Keyrock. With $547.2 million of authorization remaining, the preferred share’s liquidity may face a test as issuer support diminishes.
Citrini Research says Wall Street’s tokenization drive could create greater opportunities for fee-generating trading, lending and payment platforms than for bitcoin or ether, while warning that blockchain activity does not automatically translate into higher token prices.
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US government-linked wallets moved about $1.02 billion in Bitcoin on Oct. 8 as BTC fell roughly $4,000 over three days. Some 9,000 BTC reached Coinbase Prime, raising sale concerns, although the transfer may also reflect custody or legal restitution activity.
Ethereum Foundation researcher Justin Drake says advanced AI could potentially break the encryption securing Bitcoin and Ethereum wallets before quantum computers, possibly within months. He urges the industry to consider a controlled migration to fresh addresses while crypto markets and ETFs face heavy selling.
Ethereum researcher Justin Drake has urged major crypto holders to prepare for a possible AI-driven attack on wallet signatures. No such attack has been demonstrated, but he recommends gradual moves to addresses with unexposed public keys, while Vitalik Buterin warns against rushed migrations.
Bitcoin briefly fell to about $82,300 as traders assessed an Ethereum researcher’s warning that AI-driven advances could threaten wallet cryptography. The market also faced higher Treasury yields, while derivatives data pointed to continued selling but less forced liquidation.
Ethereum co-founder Vitalik Buterin backed a cautious, gradual migration to fresh crypto addresses after an Ethereum researcher warned that AI-driven mathematical breakthroughs could threaten wallet cryptography before quantum computers do.
Ethereum Foundation researcher Justin Drake urged the crypto industry to calmly prepare for “bunker mode,” warning that AI-driven mathematical advances could break ECDSA encryption in months rather than years in a worst-case scenario, before quantum computers become capable of the same attack.
Charles Schwab’s 2026 Modern Wealth Survey found that 60% of Americans who already own cryptocurrency plan to invest more over the next year. That exceeds the comparable shares among ETF, stock, bond and mutual-fund investors, while younger Americans continue to show the strongest crypto ownership.
AI is making it easier to link public blockchain wallets with real people, reviving concerns about permanent financial records. A Grayscale Research analysis highlights Zcash’s shielded transactions, rising usage and the regulatory questions surrounding selective disclosure.
OKX has added Circle, Ripple, Qube Research & Technologies and Standard Chartered’s SC Ventures as strategic investors at a $25 billion pre-money valuation. The exchange is using those partnerships to expand stablecoin payments and launch OKX Money for mainstream users.
A study published in the Journal of Financial Crime found that flash loan attacks caused $1.211 billion in DeFi losses across 72 incidents between February 2020 and July 2024, with Ethereum accounting for more than 80% of the damage.
OKX has raised an undisclosed amount from existing partners and investors at a $25 billion valuation. The financing extends its March round, which brought in $200 million from ICE, while the exchange pursues a broader financial-technology strategy.
