Polylog
The Polylog Crypto Intelligence Brief

Morning Edition · Sunday, July 26, 2026

Aztec Ships Private Smart Contracts to Ethereum's Mainnet, Proving Transactions on a Laptop in Seconds

Crypto

Aztec Ships Private Smart Contracts to Ethereum's Mainnet, Proving Transactions on a Laptop in Seconds

The Alpha V5 release moves zero-knowledge proof generation onto the user's own device, proving a fully private transaction in about 2.5 seconds and cutting fees below five cents.

3 sources
Uniswap Adds Compliance-Gated Pools to Its Version 4 Protocol for Tokenized Securities

Crypto

Uniswap Adds Compliance-Gated Pools to Its Version 4 Protocol for Tokenized Securities

The Permissioned Pools framework checks each wallet against an issuer-controlled allowlist before every swap, keeping regulated assets on-chain while keeping them separate from open liquidity.

3 sources
Tokenized Stocks on Robinhood's Chain Multiply Fivefold as Equities Begin Trading in Size

Crypto

Tokenized Stocks on Robinhood's Chain Multiply Fivefold as Equities Begin Trading in Size

Real-world assets on the network reached about $70 million and a dozen tokenized stocks each cleared at least $500,000 a day, though stablecoins and memecoins still dominate the chain.

2 sources
European Union Bars Transactions With Crypto Exchange HTX Over Russian Sanctions Evasion

Geopolitics

European Union Bars Transactions With Crypto Exchange HTX Over Russian Sanctions Evasion

The bloc's 21st sanctions package placed Huobi Global, the entity behind HTX, under a transaction ban effective August 23, and claimed new power to restrict entire countries' crypto networks.

2 sources
Corroborated
Lien Finance Loses About $542,000 as Attacker Mints Bond Tokens Without Burning Collateral

Crypto

Lien Finance Loses About $542,000 as Attacker Mints Bond Tokens Without Burning Collateral

The Ethereum protocol's permissionless bond-registration flow let an attacker create tokens that bypassed the burn logic and drained real USD Coin (USDC) from live pools, one of several incidents this week.

3 sources
Galaxy Digital Cuts Odds of US Crypto Market-Structure Bill to 30% as Senate Clock Runs Down

Crypto

Galaxy Digital Cuts Odds of US Crypto Market-Structure Bill to 30% as Senate Clock Runs Down

The CLARITY Act needs a deal within days to clear before recess, and disputes over President Trump's crypto income remain a central obstacle even as Fidelity urges passage.

3 sources
Russia's Sberbank Sets December 1 Deadline for State-Run Crypto Trading and Custody

Geopolitics

Russia's Sberbank Sets December 1 Deadline for State-Run Crypto Trading and Custody

The country's largest bank plans to embed crypto wallets into its apps once a new digital-asset law takes effect September 1, with custody keys held under state-linked control.

2 sources
Corroborated
North Korean Hacking Group Uses Fake Zoom and Teams Calls to Profile and Drain Crypto Wallets

Crypto

North Korean Hacking Group Uses Fake Zoom and Teams Calls to Profile and Drain Crypto Wallets

Researchers found the BlueNoroff group running an active phishing kit that identifies a victim's wallet before delivering malware, compromising a full system in under five minutes.

3 sources
Corroborated
North Korea Arrests Its Own Military Hackers Over Crypto Laundering From State Banks

Geopolitics

North Korea Arrests Its Own Military Hackers Over Crypto Laundering From State Banks

Authorities say the group breached the central bank and Foreign Trade Bank, moved funds into overseas wallets, and converted them to cash through Chinese brokers before an internal probe traced the transactions.

2 sources
Plausible
Samsung Plans Native Stablecoins in Its Wallet, With Distribution to 800 Million Devices at Stake

Crypto

Samsung Plans Native Stablecoins in Its Wallet, With Distribution to 800 Million Devices at Stake

Unannounced choices over issuer, chain, custody, and redemption will decide whether the feature becomes a default payment route or a narrower integration.

1 source
Bitcoin Trades Near $64,000 as a Shrinking European Central Bank Balance Sheet Competes for Capital

Macro

Bitcoin Trades Near $64,000 as a Shrinking European Central Bank Balance Sheet Competes for Capital

The central bank held rates steady on July 23 while its bond portfolios kept contracting and euro-area lenders tightened credit, reducing the liquidity that risk assets rely on.

2 sources
Miden Pitches Selective Privacy as the Missing Layer for Mainstream Blockchain Use

Crypto

Miden Pitches Selective Privacy as the Missing Layer for Mainstream Blockchain Use

The network's Guardian design argues that practical adoption requires confidentiality users can turn on and disclose selectively, not the fully transparent ledgers that dominate today.

2 sources