The Polylog Crypto Intelligence Brief

Morning Edition · Tuesday, August 25, 2026

Crypto

Aztec Says a Soundness Flaw in Its Proving System Puts Funds on Its Live Privacy Network at Risk

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

3 sources
Corroborated

Crypto

Three Cosmos-Based Chains Halted Block Production After a Double-Spend Bug in Shared Code

The defect sits in a module many Cosmos chains inherit, and a fix has been available since a March advisory that not every network applied.

2 sources
Corroborated

Crypto

Ledger Patched a Flaw That Could Have Made Its Ethereum App Sign a Transaction Different From the One Displayed

The fix shipped on 12 August in app version 1.22.2, and Ledger and the researchers who published the finding disagree publicly over who found it and how serious it was.

2 sources
Corroborated

Crypto

Ethereum Proposal Would Retire the Sync Committee and Cut About 33,800 ETH of Annual Issuance

Ethereum Improvement Proposal (EIP) 8390 replaces an in-protocol light-client mechanism with off-chain zero-knowledge finality proofs, and every deployed Altair light client would stop working at the fork.

1 source

Crypto

Bitcoin Trades Above $80,000 for the First Time Since May After the Treasury Doubled Its Bond Buybacks

More than $240 million of short positions were liquidated in an hour, and United States spot bitcoin funds recorded their strongest week since October, according to Bitcoin Magazine.

4 sources

Crypto

Coinbase Put Tokenized Apple, Nvidia, Meta and Alphabet Shares on Its Base Network

The tokens are issued under the exchange's new Abu Dhabi license, and Base's value secured rose 16.7% over seven days to $12.79 billion.

1 source

Geopolitics

US Treasury Names Digital Assets Among Five Iranian Sectors Exposed to New Sanctions

Treasury Secretary Scott Bessent said countries supporting Iran should expect to face sanctions, and the campaign also covers technology, gold, aviation and shipping.

1 source
Corroborated

Crypto

Solana Validators Vote on Slowing New SOL Creation and Raising Daily Token Burns

Two of three proposals would accelerate the decline in inflation and lift daily fee burns from about 650 SOL toward as much as 9,000 SOL, worth roughly $800,000.

2 sources

Crypto

Term Finance Lost $8.5 Million to an Attacker Who Bought Control of Its Governance

The vaults released funds through an approved vote rather than a code defect, and a separate price-manipulation attack drained a small Arrakis vault in the same week.

4 sources
Corroborated

Crypto

BNB Chain Activated the Pasteur Hard Fork, Tightening Bridge Signature Checks and Raising Throughput

The upgrade rejects duplicate validator signatures on cross-chain messages and lets builders submit blocks they have already executed, which testing showed nearly doubles transaction capacity.

1 source

Crypto

Miden Will Issue a Private Dollar Token Backed by USDC Through Circle's Reserve Program

USDCx keeps transfers private by default while letting holders prove balances and provenance selectively to auditors and counterparties, and it arrives with the network's mainnet launch.

1 source

Crypto

Strategy Raised $2 Billion and Put It Into Dollars Instead of Bitcoin

The company sold 18.26 million shares, lifted its dollar reserve to $5.1 billion, repurchased $136.4 million of its own preferred stock and skipped a bitcoin purchase for another week.

4 sources