The Polylog Crypto Intelligence Brief

Morning Edition · Saturday, August 29, 2026

Crypto

Solana Validators Approve Doubling the Disinflation Rate, Cutting About 18.9 Million SOL From Future Issuance

The proposal cleared its two-thirds threshold with 67.0% support on 60.7% turnout after Kraken and Galaxy-linked validators switched sides in the final hours.

3 sources
Corroborated

Crypto

Cosmos Labs Says a Flaw It Rated Low in March Was Used to Steal Nearly $6 Million Across Six Chains

The bug let a token transfer execute while the ledger recorded no movement, allowing the same balance to be spent more than once, and MANTRA says none of the stolen tokens have been recovered.

2 sources
Corroborated

Crypto

Aztec Discloses a Critical Proving-System Flaw in Its Alpha V5 Privacy Network

Core contributors found the defect through internal AI-assisted review, and it is the second consecutive Aztec release whose proving system carried a fund-threatening bug.

3 sources
Corroborated

Crypto

Ripple Sets a Post-Quantum Path for the XRP Ledger as Ethereum Researchers Propose Rebuilding ecrecover

An Anthropic model reduced the work needed to break a leading post-quantum signature candidate by a factor of 67 million last month, and Bitcoin and Ethereum both published migration plans this week.

3 sources
Corroborated

Macro

Warsh Says the Fed Has 'Work to Do' on Inflation and Traders Move to Price a September Increase

Odds of a quarter-point rise at the September meeting jumped to roughly 60% from 35.4% a day earlier, and Bitcoin gave back part of a rally that followed about $3 billion of exchange-traded fund inflows.

4 sources

Crypto

Miden Will Issue a Private USDC-Backed Stablecoin Using Circle's xReserve Infrastructure

USDCx transactions will be confidential by default while letting holders prove balances and provenance selectively to auditors, regulators and counterparties.

2 sources

Crypto

Core Lightning Ships a Security Release and Withholds the Patches for Two Weeks

The fixes answer three weeks of vulnerability reports produced by a wave of AI-assisted review across open-source Bitcoin projects, and developers say no fund losses have been confirmed.

3 sources
Corroborated

Crypto

Attacker Registers as an Administrator on Avici and Withdraws More Than $1 Million From Solana Card Users

Both of the platform's programs shared a single upgrade key rather than a multisignature setup, and the team acknowledged the theft nearly two hours after the first withdrawal.

5 sources
Plausible

Crypto

Ethena Extends the USDe Basis Trade Into Equity Perpetuals as Crypto Funding Yields Shrink

The issuer expects perpetual futures on real-world assets to overtake crypto derivatives in USDe's backing within 12 to 24 months, after supply fell from nearly $15 billion to about $4 billion.

2 sources

Crypto

Ninth Circuit Rules Nevada Can Regulate Kalshi's Sports Event Contracts as Gambling

The unanimous panel found that the Commodity Exchange Act does not preempt state gambling law, creating a split with the Third Circuit that points toward the Supreme Court.

2 sources
Corroborated

Crypto

Capital B Raises €21 Million With Warrants That Could Cut Its Bitcoin-Per-Share Ratio by About 24%

Adam Back and TOBAM joined the placement, which would fund roughly 270 additional Bitcoin, while a separate company that sold all its holdings to repay debt now targets an $827 million rebuild.

4 sources

Crypto

Bullish Lends USD.AI $100 Million in Stablecoins to Finance Loans Secured by AI Chips

The facility funds non-recourse loans against graphics processing units, settled on-chain, and the exchange plans to list the resulting yield token to create a secondary market in the debt.

2 sources