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Government-Linked $1 Billion Bitcoin Transfer Led to Coinbase Prime Addresses
Markets

Government-Linked $1 Billion Bitcoin Transfer Led to Coinbase Prime Addresses

The October 8 transaction passed through unlabeled addresses before reaching Arkham-labeled Coinbase deposits. That establishes an exchange-linked destination, not a sale.
What Is a Crypto ‘Wrench Attack’?
Security

What Is a Crypto ‘Wrench Attack’?

The name comes from an XKCD comic about a $5 wrench. Hardware wallets isolate keys, while multisig divides signing authority—but neither automatically prevents coerced transfers.
Zipcoin Announces Shutdown and Plans Token Sale
Hacks

Zipcoin Announces Shutdown and Plans Token Sale

The team says project wallets hold 2.2% of supply, while ZC has fallen 84% over 24 hours.
Base Active Addresses Jump 82.5% to a 30-Day High
Blockchains

Base Active Addresses Jump 82.5% to a 30-Day High

Transactions and user-paid fees also rose as the Ethereum Layer 2 recorded 629,142 active addresses on Oct. 21.
CoinDCX Co-Founder Denies New Hack After $16 Million Wallet Alert
Hacks

CoinDCX Co-Founder Denies New Hack After $16 Million Wallet Alert

Sumit Gupta says the flagged addresses were compromised in July 2025 and that no funds from CoinDCX’s current wallets were affected.
Chinese Prosecutors Seek Confiscation of 61,896 Bitcoin in Qian Case
Regulation & Politics

Chinese Prosecutors Seek Confiscation of 61,896 Bitcoin in Qian Case

The Tianjin application provides for victim restitution, while ownership claims to the UK-held coins must be assessed under Chinese law.
Developer Links $370,000 Theft to Railway Secrets Exposure
Security

Developer Links $370,000 Theft to Railway Secrets Exposure

Railway restored Enterprise builds late Wednesday, while customers on other plans were still waiting to redeploy with replacement credentials.
Cloudflare CEO Reports Millions of PHP2Shell Exploit Attempts
Security

Cloudflare CEO Reports Millions of PHP2Shell Exploit Attempts

PHP has shipped fixes for four supported branches. The flaws can let attackers run code on vulnerable web servers without logging in.
How Elliptic-Curve Signatures Work: A Toy ECDSA Example
Security

How Elliptic-Curve Signatures Work: A Toy ECDSA Example

A deliberately insecure curve makes the signing arithmetic small enough to follow. The verifier needs the message and public key, but neither signing secret.
Pendle Expands One-Click Looping to Yield Assets and Tokenized Stocks
DeFi

Pendle Expands One-Click Looping to Yield Assets and Tokenized Stocks

Stock longs on Base use Aave loans, while PendleLoop fees on non-PT positions are waived through Dec. 31.