Security
Every Security read CryptoBloggers has picked: 828 so far, 722 in the last 30 days, strongest first under “Start here” and newest first below.
Security picks in the 6:30 email
The day’s five best crypto reads, plus AI agents doing real things on-chain. Free, every morning at 6:30 a.m. Central.
Every Security card
newest first · page 7 of 28- 1
XRP Ledger fixes a disclosed bug that could have led to the creation of new tokens
The XRP Ledger shipped a fix for a disclosed bug that could have allowed creating new tokens; XRP itself was unaffected.
- 2
Crédit Mutuel Arkéa confirms cyberattack after ZachXBT flags $133M in suspected losses
Crédit Mutuel Arkéa confirmed a cyberattack, with ZachXBT's flagged $133M in suspected losses validated in order of magnitude.
- 3
Mercado Bitcoin says phased reopening to begin Monday, will cover losses
Mercado Bitcoin will reopen in phases after a hack, starting with view-only access, and says it will cover losses from company funds.
- 4
BitMart founder says security team ‘severely understaffed’ after new hack
BitMart's founder says its security team is severely understaffed after a new hack, with suspicious transfers possibly tied to the Mercado Bitcoin hack.
- 5
French Bank Credit Mutuel Arkea Confirms Cyberattack as ZachXBT Puts Losses Above $133 Million
Credit Mutuel Arkea confirmed a cyberattack via a service provider; ZachXBT estimates losses above $133M, unconfirmed by the bank.
- 6
Coinbase Says 99% of Customer Crypto Is Offline and Out of Hackers’ Reach
Coinbase says over 99% of customer assets are offline and details its controls after the Binance hack.
- 7
Matt Corallo Flags Critical Linux Kernel Flaw; Lightning Labs Ships LND Mitigation
Critical Linux kernel TCP flaw (CVSS 9.8) flagged by Matt Corallo, with Lightning Labs shipping an LND mitigation that disables Multipath TCP.
- 8
Polygon Proposal Seeks Hard Fork to Recover 70.49 Million POL
Polygon proposes a hard fork to move 70.49M POL tied to Polymarket and Binance incidents into recovery wallets, without changing total supply.
- 9
Coinbase says 99% of customer assets sit in cold storage after Binance’s $6.3 billion breach
Coinbase says 99% of customer assets are in cold storage and it was unaffected by the $6.3B Binance breach.
- 10
Privacy Cash Pauses Deposits After Binance Hack
Privacy Cash paused deposits after the Binance hack; Elliptic traced about $1.2M in theft-linked ETH and SOL into its pools.
- 11
Blast Shuts Down Layer 2, Directs Users to Recovery Site
Blast shut down its Layer 2 and sent users to a recovery site; bridge assets fell about 84% from October.
- 12
Binance Expands Proof of Reserves to 44 Tokens After Hack
Binance expanded proof of reserves to 44 tokens after its hack, but the new proof is unfinished and withdrawals are not fully reopened.
- 13
BitMart hit by $391K hack amid security staff exodus
BitMart lost $391K in a hack, and its founder links the breach to a staff exodus and threats from former staff.
- 14
Polkadot Treasury Lost $1.38 Million After XCM Patch Missed Production
A Polkadot XCM patch missed production and cost the treasury $1.38M through distorted DOT/dotUSD pool pricing.
- 15
How Coinbase protects customer assets
Coinbase explains its methods for protecting customer assets; useful primary source on custody practices, though the snippet is thin.
- 16
Core Lightning Urges Upgrade to 26.06.10 to Patch Channel Flaws
Core Lightning maintainers urge node operators to upgrade to 26.06.10 to patch channel-balance risks and remote crashes.
- 17
Mercado Bitcoin Attacker Swaps Tokens for $10.55 Million in ETH, Arkham Says
Arkham traced the Mercado Bitcoin attacker swapping stolen tokens for about $10.55 million in ETH; blocked-asset estimate raised to $12.9 million.
- 18
THORChain's RUNE jumps 10% as North Korean hackers resume laundering Binance loot
TraderTraitor is routing Binance hack proceeds through THORChain, with RUNE rising 10% on the news.
- 19
An agent paid, and a gate stopped two payments, with receipts
A builder's payment agent ran USDC payments on Arc testnet through a pre-signing riskgate, which approved one payment and blocked an unlimited approval and a look-alike recipient.
- 20
ZachXBT Names French Bank Crédit Mutuel Arkéa as Alleged Victim of $133M Crypto Theft
ZachXBT alleges French bank Crédit Mutuel Arkéa was the victim of a $133M theft, with over $30M laundered after non-disclosure.
- 21
Binance hack may be ‘temporary setback’ for crypto, Grayscale’s Pandl says
Grayscale's Zach Pandl argues the record $6.3 billion Binance hack may be a temporary setback, citing institutional custody safeguards.
- 22
ZachXBT names French bank Crédit Mutuel Arkéa as suspected victim of $133 million crypto theft
ZachXBT says a French bank may have lost over $133M from exchange accounts, with Crypto.com blocking linked funds.
- 23
btcx.investments - Warning: Unauthorized crypto platform flagged by German Regulator (BaFin)
BaFin has issued a formal warning against the unauthorized platform btcx.investments, a useful consumer-protection flag.
- 24
Binance hackers move 81% of stolen Solana, route funds via THORChain
Most of the stolen Binance SOL has moved, and the attackers are laundering it through THORChain after the protocol resumed swaps.
- 25
ZachXBT identifies French bank as alleged victim of $133M crypto theft
ZachXBT alleges a French bank, reportedly Crédit Mutuel Arkéa, lost over $133M in a crypto theft; the bank has not confirmed.
- 26
RUNE rallies 15% as THORChain restarts most swaps after halt
THORChain restored most swaps after a refund bug halted trading, with three chains still paused; RUNE rallied 15%.
- 27
Moonwell cbBTC Supplier Asks for a Remediation Plan as the Market Holds $1.72 in Cash
Onchain read of Moonwell's cbBTC market shows almost no withdrawable cbBTC against about $4.56M in loans nearly 10 weeks after the MAMO exploit.
- 28
After Binance’s $6.3 Billion Hack, Austin Campbell Calls for a 24-Hour Clock on Billion-Dollar Crypto Moves
Austin Campbell argues billion-dollar crypto transfers should face a 24-hour clock after the Binance hack.
- 29
What happens if North Korea steals Wall Street's tokenized assets next
Using the Binance hack as a lens, the piece argues tokenized securities may offer better theft recourse than crypto, but market stress can still break them down.
- 30
THORChain Restarts Most Swaps After Analyst Said Operators Would Expect North Korea to Launder
THORChain restarted most swaps while an analyst warned operators would knowingly enable North Korean laundering of stolen funds.