The Polylog Crypto Intelligence Brief

Morning Edition · Friday, October 9, 2026

Crypto

Ethereum Researchers Ask the Network to Pick an Instruction Set for Post-Quantum Proofs Under EIP-8288

The proposal moves verification of quantum-resistant signatures and STARK proofs out of the virtual machine and into a single recursive proof per block. The instruction set Ethereum chooses will determine how fast phones and laptops can generate those proofs.

6 sources

Crypto

Bitget's $387.5 Million Theft Leads a Run of Hot-Wallet and Infrastructure Breaches That Bypassed Contract Audits

Investigators trace the Bitget theft to zero-day flaws in two third-party security appliances and to North Korea-linked actors, while NEAR Intents, Duelbits, Nostra and SingularityNET lost funds through custody integrations, private keys, oracles and cloud access.

7 sources
Corroborated

Crypto

Attacker Drains 200 WETH From Abandoned MakerDAO Keeper That Never Settled 2020 Auctions

A missing access check on one function let the attacker take control of the dormant bot's position in Maker's core accounting contract and withdraw about $540,000, and the stolen ether entered Tornado Cash within six minutes.

5 sources

Crypto

Core Lightning Ships v26.06.9 Security Release While Attackers Target Unpatched Nodes

The release withholds tests for its security fixes to give operators time to upgrade, and it repairs a regression in the previous version that throttled traffic on busy nodes.

6 sources

Crypto

XRP Ledger Activates Delegated Permissions So Issuers Can Keep Master Keys Offline

Accounts can now grant up to 10 narrow powers, such as approving customers or sending payments, to other accounts, but developers warn against delegating token burns until a separate fix closes a flaw that could let delegates create tokens.

5 sources

Crypto

Miden Launches a "PriFi" Stack Around a Private USDC Token as Aztec Works Through a Proving Flaw

Miden pairs its privacy stablecoin, which runs through Circle's xReserve, with custody, banking and compliance partners and a consumer wallet called Bread. Aztec's V5 network remains exposed to a flaw that lets invalid proofs pass verification until V6 ships.

5 sources

Crypto

Abstract Sets December 15 Shutdown, and Users Must Rely on Its Operators to Exit

The consumer-focused layer-2 network from the Pudgy Penguins team says assets left after the deadline will become inaccessible, and its exit routes run through a native bridge with a three-hour delay and a migration portal.

4 sources

Crypto

US Government Moves $1 Billion in Bitfinex-Hack Bitcoin to Unlabeled Wallets With No Sign of a Sale

The 12,267 bitcoin transfer came a day after $383 million reached Coinbase Prime, and it tests whether a 2025 order to hold seized bitcoin in a strategic reserve governs what agencies do with the coins.

3 sources
Plausible

Crypto

Bitcoin Recovers to $82,000 After Trump Rules Out Iran Strikes, While Ether Bets Are Liquidated at Six Times Bitcoin's Rate

Spot bitcoin, ether and solana funds posted net outflows on October 8, and Federal Reserve minutes tied higher yields partly to borrowing for artificial intelligence, a day before the anniversary of last October's flash crash.

8 sources
Corroborated

Crypto

Binance Cuts Eight Services and 22 Tokens in Brazil as Greece Drafts a 15% Crypto Gains Tax and Thailand Clears Spot ETFs

Brazil's central bank rules force Binance to move local users to a domestic entity by October 29, while Asian regulators and banks widen regulated access, with Thai bitcoin and ether funds trading from October 16 and Standard Chartered planning custody in Singapore.

5 sources

Crypto

Senator Blumenthal Opens Inquiry Into Cantor Fitzgerald's Ties to Tether

The top Democrat on the Senate's main investigations subcommittee is targeting the firm that holds a large share of Tether's Treasury reserves, as Democrats improve their chances of retaking the Senate.

4 sources
Plausible

Crypto

DWF Labs Affiliates Sue BitGo for $141 Million, Alleging It Released Locked Tokens Two Months Early

The London High Court claim says BitGo sent Falcon Finance and ESPORTS tokens to exchanges before the first scheduled unlock, which the plaintiffs say pushed down prices and the value of their remaining holdings.

4 sources