The Polylog Crypto Intelligence Brief

Morning Edition · Friday, August 28, 2026

Crypto

Ethereum's Glamsterdam Gas Repricing Would Break Wallets, Indexers and a Subset of Live Contracts

Replay tests of historical mainnet transactions found that most contracts are unaffected, but a smaller group with hardcoded gas assumptions will need higher gas limits, code changes or migration before the block gas limit rises from 60 million toward 200 million.

3 sources
Corroborated

Crypto

Moonwell Loses About $8.7 Million on Base After an Attacker Inflated the Price of Its Own Collateral Token

Security researchers published a reproducible proof of concept showing the loss resulted from a price oracle accurately reading a thin market, not from a defect in Moonwell's lending contracts.

3 sources
Corroborated

Crypto

Aztec Says a Flaw in Its Alpha V5 Proving System Could Let an Invalid Transaction Pass Verification

Core contributors found the defect on July 27 through internal artificial-intelligence-assisted auditing and say they cannot determine whether anyone exploited it first.

2 sources
Corroborated

Crypto

Bitcoin's First Quantum-Safe Spend Was Mined Without Any Change to Consensus Rules

The transaction relied on hashes instead of elliptic-curve signatures, cost between $75 and $150 in cloud computing to produce, and leaves roughly 7 million bitcoin in outputs with exposed public keys.

2 sources
Corroborated

Crypto

A Race Condition Let a Ledger Device Sign a Transaction Different From the One on Its Screen

Ledger patched the Ethereum application on August 12, before researchers at OneKey disclosed the flaw, and says no losses have been reported.

3 sources
Corroborated

Crypto

Miden Will Issue a Private USD Coin-Backed Stablecoin Using Circle's Reserve Infrastructure

USDCx would hide balances and counterparties by default while letting holders prove specific facts to auditors, the first stablecoin issued through Circle's xReserve on a privacy-first network.

2 sources

Crypto

Governance Capture and Token Accounting Bugs Drive the Week's Smaller On-Chain Losses

Term Labs lost about $8.5 million to an attacker who bought voting power, while researchers published reproductions of a sell-tax accounting bug and an unprotected contract reinitialization.

4 sources

Crypto

KuCoin Will Screen Transfers That Merely Touched 17 Named Platforms, Including HTX

The exchange says funds with indirect links to the listed venues can be held, rejected or trigger wallet restrictions, extending sanctions compliance to counterparties users never chose.

2 sources
Corroborated

Crypto

Ethena Proposes Sending 95 Percent of Revenue to Token Buybacks and Ending Investor Lockups Early

The buybacks would only begin once its synthetic dollar reaches $7.5 billion in circulation, nearly double the $4.06 billion outstanding now.

2 sources

Crypto

Ripple-Backed XRP Treasury Company Clears Regulatory Review Ahead of September 30 Shareholder Vote

Evernorth's registration statement is effective, setting up a Nasdaq listing under the ticker XRPN through a merger with a listed shell company.

2 sources

Crypto

Bitcoin Trades Near $81,000 as Coinbase Premium Turns Positive Before Warsh's Jackson Hole Speech

CoinDesk put the week's gain at 9 percent for bitcoin and 20 percent for solana, while exchange-traded funds took in fresh cash for a second straight session.

5 sources

Geopolitics

Abu Dhabi Royal's Investment Vehicle Holds 49 Percent of the Trump Family's Planned Crypto Bank

The venture holding company received preliminary conditional approval for a federal bank charter while Washington weighs the United Arab Emirates' access to advanced American artificial-intelligence chips.

1 source
Corroborated