The Polylog Crypto Intelligence Brief

Morning Edition · Saturday, September 26, 2026

Crypto

Bitget says spoofed transfer instructions, not stolen keys, drained $351.6 million from its hot wallets

Circle and Tether froze roughly $318,000 of the proceeds while the attacker converted stablecoins into ether, which no issuer can blacklist.

6 sources
Corroborated

Crypto

Aztec discloses a critical soundness flaw in its Alpha V5 proving system, with the fix deferred to V6

An attacker could construct a proof that verifies for a transaction the network should reject, and contributors found the defect through internal artificial-intelligence-assisted auditing.

3 sources
Corroborated

Crypto

SEC staff say some staking receipt tokens and token buybacks fall outside securities law

The answers carry no legal force and the Commission has neither approved nor disapproved them, leaving the industry with staff interpretation instead of statute.

3 sources
Corroborated

Crypto

Researchers map Zcash-style shielded transfers for bitcoin without changing Bitcoin's consensus rules

The design hides sender, receiver and amount using zero-knowledge proofs, but no finished mechanism exists to lock real BTC into the system and release it again.

2 sources
Corroborated

Crypto

Solana's Alpenglow consensus rewrite reaches a second public test network

The upgrade targets settlement in about 150 milliseconds and now runs where application teams can test against it before the live chain switches over.

1 source

Crypto

Cosmos Hub validators halt the chain for a day to recover 1.23 million ATOM after a Neutron governance attack

The attacker spent 20,199 USDC to buy and stake enough NTRN to pass a proposal with 82% support, then used reentrancy to take control of 11 contracts.

2 sources
Corroborated

Crypto

Hester Peirce leaves the SEC on October 2 after arguing that identity checks should use zero-knowledge proofs

The departing commissioner wants users to satisfy compliance requirements without handing a name, address and passport to every platform they touch.

3 sources

Crypto

Ethereum researchers propose shrinking the client's trusted base so formal verification can cover what matters

The plan splits client software into verifiable pure modules such as cryptography and serialization and untrusted modules with side effects such as networking.

4 sources
Corroborated

Crypto

XRP Ledger's Batch amendment slips to October 9 after validator support fell below the 80% threshold

A brief drop in support restarted the two-week activation clock for a feature that would bundle up to eight transactions into one.

1 source

Crypto

KelpDAO's developer sues LayerZero over a $292 million bridge exploit, pushing DeFi loss allocation into court

The claim says LayerZero endorsed in writing the single-verifier configuration it later blamed, while a week of smaller incidents shows the same failure patterns repeating.

5 sources
Corroborated

Crypto

The EU faces a September 30 deadline on how MiCA treats decentralized lending

The European Banking Authority's review response addresses how crypto firms access financial services, while any new duties on DeFi loans would require a later legislative decision.

2 sources
Plausible

Macro

Bitcoin holds near $84,000 as the 10-year Treasury yield reaches 5.22% and traders cut $1.7 billion of leverage

Exchange-traded funds absorbed about $2.8 billion over six sessions while the bond sell-off lifted borrowing costs to their highest since 2007.

3 sources