Morning Edition · Monday, June 22, 2026
Bitcoin Developers Move to Retire a Fee Feature That Became a Tracking Fingerprint
The 'replace by fee' option that lets users speed up a delayed transaction has become a privacy liability, and core developers now want to phase it out.
Bitcoin developers want to remove a once-useful feature that lets a user replace a pending transaction with a higher-fee version, after it became both redundant and a means of tracking, CoinDesk reported. The feature, known as replace-by-fe…
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Privacy Chains Pivot From Niche to Institutional Pitch
Over 3-6 months, confidential execution reframes as a prerequisite for serious/institutional on-chain use, with privacy L2s shipping live networks and contesting who controls confidentiality.
More from this edition
- Taiko Halts Its Ethereum Layer-2 After Forged Bridge Proofs Drain $1.7 Million
- Ethereum Researchers Pitch a Native zkEVM That Scales Bandwidth, Not Just Speed
- Privacy Chains Sharpen Their Pitch: Confidentiality as a Default, With a Controlled Off-Switch
- Ethereum Proposal Would Let Validators Divert Up to 10% of Staking Rewards to Fund the Network
- Bank of England Drops Holding Caps in Final Stablecoin Rules
- Microsoft Flags USB-Borne Wallet Malware as a Distinct Attack Surface Grows
- CME Sues the CFTC Over How Crypto Perpetual Futures Got Approved
- UBS Tokenized Money-Market Fund Becomes Trading Collateral on Bybit
- Prediction Markets Doubt the CLARITY Act Despite Talk of Imminent Passage
- Solana Becomes a Settlement Choice for Banks and Exchanges Expanding On-Chain
- Bitcoin Holds Near $64,000 as ETF Outflows Reach a Sixth Week