Polylog
The Polylog Crypto Intelligence Brief

Morning Edition · Saturday, July 4, 2026

Bitcoin's BIP-110 Data Fight Nears an August Deadline With Almost No Miners Behind It

Crypto

Bitcoin's BIP-110 Data Fight Nears an August Deadline With Almost No Miners Behind It

A proposal to restrict arbitrary data in Bitcoin blocks faces a mandatory signaling window while carrying under 1% of hashrate and open warnings of a chain split.

3 sources
Corroborated
Privacy Chains Reframe Confidentiality as a Requirement, Not a Feature

Crypto

Privacy Chains Reframe Confidentiality as a Requirement, Not a Feature

Aztec and Miden publish design arguments that private execution is a precondition for serious on-chain use, and that the real question is who controls the ability to turn privacy off.

3 sources
Blockstream Proposes a Post-Quantum Opcode as Bitcoin Weighs Long-Term Key Risk

Crypto

Blockstream Proposes a Post-Quantum Opcode as Bitcoin Weighs Long-Term Key Risk

The company's quarterly update proposes a quantum-resistant scripting primitive and ships a redesigned Simplicity language, moving quantum defense from theory toward concrete Bitcoin plans.

2 sources
A Month of Key Thefts and a Silent Bridge Drain Keep DeFi Losses Elevated

Crypto

A Month of Key Thefts and a Silent Bridge Drain Keep DeFi Losses Elevated

Compromised developer laptops, missing validation checks, and leaked signing secrets caused tens of millions of dollars in losses across Humanity Protocol, Secret Network, and SecondFi.

3 sources
Corroborated
Revolut Will Drop Tether's USDT for European Users as MiCA Rules Bite

Crypto

Revolut Will Drop Tether's USDT for European Users as MiCA Rules Bite

The fintech told customers it will remove the largest stablecoin from eligible European accounts, the latest sign that Europe's licensing regime is reshaping which firms can offer which products.

2 sources
Ethereum Researchers Push to Measure Client Diversity and Speed Up Proving

Crypto

Ethereum Researchers Push to Measure Client Diversity and Speed Up Proving

New proposals would report which client software validators actually run, while an open-source implementation for graphics processing units (GPUs) aims to speed up zero-knowledge proving for scaling.

2 sources
DZ Bank Opens Crypto Trading to Germany's Cooperative Banking Customers

Crypto

DZ Bank Opens Crypto Trading to Germany's Cooperative Banking Customers

The rollout gives millions of retail customers at cooperative banks a regulated route into digital assets, extending the trend of traditional finance building crypto onto existing systems.

1 source
Moonbeam Abandons Polkadot and Moves Its Token to Ethereum's Base Network

Crypto

Moonbeam Abandons Polkadot and Moves Its Token to Ethereum's Base Network

The smart-contract platform will migrate its GLMR token one-for-one to Base as a standard Ethereum token, wind down its own chain, and pivot to an artificial-intelligence agent protocol.

2 sources
Sanctioned Russian Stablecoin Claims Billions in Volume That Analysts Dispute

Geopolitics

Sanctioned Russian Stablecoin Claims Billions in Volume That Analysts Dispute

The ruble-backed A7A5 token says data providers understate its activity, while blockchain analytics firms say its volumes have fallen sharply this year.

1 source
Plausible
UK Digital-Pound Fight Turns Into a Test of Crypto's Political Influence

Crypto

UK Digital-Pound Fight Turns Into a Test of Crypto's Political Influence

Nigel Farage, leader of the Reform UK party, faces a parliamentary standards inquiry over allegations that he lobbied the Bank of England on crypto policy in ways that could benefit a major backer.

2 sources
Corroborated
Bitcoin ETFs Snap a 10-Day Outflow Run as Whales Absorb Institutional Selling

Crypto

Bitcoin ETFs Snap a 10-Day Outflow Run as Whales Absorb Institutional Selling

United States spot funds took in $221.7 million after a weak jobs report, even as June brought heavy institutional outflows and large holders bought heavily.

3 sources
Crypto Exchanges Sell Tokenized Stocks and Options, but Ownership Is Murkier Than It Looks

Crypto

Crypto Exchanges Sell Tokenized Stocks and Options, but Ownership Is Murkier Than It Looks

Bitget's launch of United States stock options adds to a growing set of on-chain equity products in which users may hold exposure without owning the underlying share.

1 source