The Polylog Crypto Intelligence Brief
Bitcoin, Ethereum, protocols, stablecoins, and on-chain intelligence, synthesized daily.
Saturday, August 1, 2026
Crypto
Coldcard Firmware Flaw Lets Attackers Drain 594 Bitcoin From Self-Custody Wallets
A weak key-generation routine present since 2021 made seed phrases guessable, and thieves drained roughly $38 million from about 500 devices in 25 minutes.
Crypto
Aztec Ships Alpha V5, Putting Private Smart Contracts Live on Ethereum
The privacy layer proves a fully confidential transaction in about 2.5 seconds on a laptop and cuts fees below five cents, with all proving done on the user's own device.
Crypto
Tether Reports $1.5 Billion Quarterly Profit as Its Reserve Cushion Halves
The stablecoin issuer's excess reserves fell to $4.11 billion from about $8.23 billion three months earlier, even as Treasury income and gold holdings grew.
Crypto
Aave Moves to Abandon Six Blockchains Earning Less Than $5,000 a Quarter
A risk-manager proposal would freeze new activity on the underused networks and redirect nearly all remaining interest revenue to the protocol treasury.
Tech
IBM Chief Says Quantum Computing Will Generate Real Revenue Before 2030
IBM chief executive Arvind Krishna's timeline adds urgency to a threat that major chains and custodians are already writing into their roadmaps.
Crypto
Circle Wins New York Trust Charter, Deepening the Regulated Path for USDC
The limited-purpose charter lets the stablecoin issuer offer fiduciary and custody services directly under New York banking law.
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- Leveraged Bitcoin Treasury Vehicles Show Financing Strain100
- Bridge and Mint Exploits Sustain Heavy DeFi Losses100
- Quantum Risk Moves From Theory to Crypto Roadmaps100
- Privacy Chains Pivot From Niche to Institutional Pitch100
- Regulatory Perimeter for Crypto Hardens in EU and US96
- Tokenized Equities Push Onto Public Blockchains92
- Race to Bank and Distribute Stablecoin Reserves88
- Endpoint Malware Targets Crypto Keys Beyond Smart-Contract Exploits65
- Coordination Design Becomes Crypto's Technical Frontier57
- States Turn Crypto Rails Into Sanctions Instruments55