The Polylog Crypto Intelligence Brief

Morning Edition · Wednesday, August 19, 2026

Crypto

SEC Proposes Regulation Crypto Assets, Creating Two Token Offering Exemptions

The package would let issuers raise up to $5 million over four years under a startup exemption and up to $75 million a year under a broader one, with a 60-day comment window once it reaches the Federal Register.

4 sources
Corroborated

Crypto

Aztec Discloses Critical Soundness Flaw in Its Alpha v5 Proving System

Core contributors found on July 27 that an attacker could construct a proof the network would accept for a transaction it should reject, the second proving-system defect Aztec has disclosed this year.

3 sources
Corroborated

Crypto

Ethereum's Platåberget Testnet Forks to Glamsterdam on August 20

The public network carries proposer-builder separation, block-level access lists, and a larger contract size limit, while researchers are still debating how to price the new data those access lists add to every block.

4 sources

Crypto

Wyoming Moves Its State Stablecoin Off LayerZero, Citing a Security Review

The Frontier Stable Token becomes the first United States government-issued asset in a migration to Chainlink's cross-chain protocol that now totals close to $15 billion.

2 sources
Corroborated

Crypto

Investigator Traces Coldcard Bitcoin Thief to a Paid Blockchain Data Account

Block engineering lead Clay Garrett says a provider's internal logs match the sweep of 1,082.65 BTC with what he calls extraordinary specificity, though the FBI has confirmed no identification or charge.

2 sources
Plausible

Crypto

Bridge and Exchange Losses Keep Coming From Signatures and Prices, Not Contract Bugs

Recent incidents at Coinsbuy, AFX Trade, and VerusCoin, plus a new proof of concept against a bonds pool, all trace to trusted inputs rather than to flaws in the code an auditor would read.

3 sources

Crypto

BitBox Patches Two Severe Firmware Flaws Found by Its Own AI-Assisted Audit

One defect let a malicious host execute arbitrary code on unconfigured devices, and a second could lock bitcoin to an address the owner never chose, with no exploitation identified.

3 sources
Corroborated

Crypto

One Listed Company Now Controls About 18% of Zcash Mining Power

Cypherpunk Technologies paid for the fleet with a warrant rather than cash, and already holds 323,394 ZEC, close to 2% of the privacy coin's circulating supply.

2 sources
Corroborated

Crypto

Kraken Opens United States Stock Trading in Europe as Robinhood Presses Washington

Kraken says it is the first crypto firm to offer Europeans both conventional US equities and tokenized versions on one regulated platform, while Vlad Tenev argues American rules are blocking the same product at home.

3 sources
Corroborated

Crypto

US Accounting Board Proposes Letting Some Stablecoins Count as Cash Equivalents

The Financial Accounting Standards Board would require a stablecoin to meet conditions on redemption, reserves, and liquidity before a company could put it on the same balance-sheet line as bank deposits.

2 sources

Crypto

Yakovenko Proposes Solana Mint New SOL to Buy a Company, Without Saying Who Would Own It

A stake-weighted vote could authorize the direction, but no target, legal buyer, ownership structure, or operating authority has been named.

2 sources
Plausible

Crypto

Bitcoin Holds Near $64,000 as Volatility Falls to a Cycle Low

BlackRock says a roughly 50% drawdown reflects leverage unwinding and weaker flows rather than a change in the asset's case, while VanEck counts eight capitulation signals.

4 sources