Weekly Dispatch Follow the Rabbit Weekly October 31, 2025 | Editor's Note This week in the Bitcoin ecosystem has been marked by a flurry of exciting technical advancements, including the release of Bitcoin Core 28.3 and various updates across multiple implementations, such as Cashu DEV Kit v0.13.2 and nostr Tools v2.17.2. Notably, the introduction of lnd v0.20.0-beta.rc2 and the enhancements in btcec v2.3.6 promise to bolster our network's efficiency and security. Additionally, the Bitcoin Optech Newsletter #377 and the innovative Trezor Safe 7 hardware wallet highlight the ongoing commitment to both usability and quantum resistance—ensuring Bitcoin remains at the forefront of technological evolution. | Update 1 | Published October 30, 2025 | Bitcoin Core version 28.3 introduces various updates that may enhance performance and security for developers and users. Notably, it emphasizes the importance of using the official download links to ensure the integrity of the software, as these are deterministically generated and signed. Developers should review the release notes for specific changes and improvements that may affect their applications and implementations. Bitcoin Core Releases | | | Update 2 | Published October 29, 2025 | The Cashu DEV Kit v0.13.2 release introduces spending-condition inspection helpers and the token_secrets() function, enhancing the Cashu framework for issuing and managing tokens. Additionally, it implements stable sorting for transactions, which improves the predictability of transaction order, and updates to Rust 1.85.0, optimizing performance and security. Developers will benefit from improved error handling and robust websocket reconnection strategies, addressing potential race conditions and enhancing overall reliability in transaction processing. Cashu DEV Kit | | | Update 3 | Published October 29, 2025 | The nostr Tools v2.17.2 update addresses an issue with the `subscribeMap` End of Stream (EOS) grouping, which enhances the efficiency of message handling in the Nostr protocol. For developers, this fix improves the reliability of subscription management, ensuring that users receive messages as intended without interruptions. Users will benefit from a more stable experience when interacting with applications built on the Nostr framework. Nostr Tools Releases | | | Update 4 | Published October 28, 2025 | The release of v0.20.0-beta.rc3 introduces several important updates for Bitcoin developers and users, including enhancements to the wallet functionality and improved transaction handling. Notably, this version includes optimizations for fee estimation, which can lead to more efficient transaction processing, and updates to the RPC interface that streamline interactions with Bitcoin nodes. Developers should pay attention to the changes in the mempool management and the new features in the Bitcoin Core wallet, as these could impact application development and user experience. Lightning Network (LND) Releases | | | Update 5 | Published October 28, 2025 | The lnd v0.20.0-beta.rc2 release introduces a significant database migration from a key-value (KV) format to native SQL for the graph store, enhancing query capabilities and performance for developers. Users can opt-in for this migration using the `--db.use-native-sql` flag, but can also skip it if desired. Additionally, the release emphasizes security with GPG signature verification and OpenTimestamps for ensuring the integrity and authenticity of the release artifacts. Lightning Network (LND) Releases | | | Update 6 | Published October 28, 2025 | In the Bitcoin Optech Newsletter #377, the discussion highlights recent advancements in the Bitcoin protocol, including proposed improvements to the PSBT (Partially Signed Bitcoin Transactions) standard which could enhance interoperability among wallets. Developers are encouraged to adopt the latest features such as the new BIP (Bitcoin Improvement Proposal) for taproot-based wallet implementations, which could optimize transaction efficiency and privacy for users. Additionally, the team emphasizes the importance of ongoing education on fee estimation techniques to help users make informed decisions during periods of network congestion. Bitcoin Optech RSS | | | Update 7 | Published October 27, 2025 | The release of btcec/v2.3.6 introduces various enhancements and bug fixes to the Bitcoin elliptic curve library, improving cryptographic operations related to key generation and signature validation. This update optimizes performance and security, which is crucial for developers implementing Bitcoin protocols and applications that rely on efficient cryptographic functions. Users can expect increased reliability in transactions and wallet operations due to these improvements. BTCD Releases | | | Update 8 | Published October 27, 2025 | Eclair v0.13.1 introduces significant database changes to phase out pre-anchor channels, requiring users to upgrade from v0.13.0 for proper channel data migration. Developers and users must close any existing legacy channels before upgrading to ensure compatibility, either cooperatively or via force-close if peers are offline. Additionally, the release updates the dependency on Bitcoin Core to v29.x, emphasizing the importance of adopting the latest software for optimal functionality. Eclair Lightning Releases | | | Update 9 | Published October 27, 2025 | The v2.17.1 update addresses a critical ping pong memory leak issue, which was causing instability in the relay ping memory test. By implementing a fix using `.once`, developers can expect improved memory management and reduced resource consumption, enhancing overall network performance. Additionally, the update resolves a missing global WebSocket issue on Node and streamlines the WebSocket implementation by removing unnecessary checks, benefiting both developers and users by ensuring more efficient WebSocket operations. Nostr Tools Releases | | | Update 10 | Published October 24, 2025 | The Trezor Safe 7 introduces a groundbreaking transparent and auditable TROPIC01 Secure Element chip, enhancing security through dual-chip architecture, which requires attackers to compromise both chips for successful breaches. It is also the first quantum-ready hardware wallet, equipped with a boardloader architecture that allows safe future updates to quantum-resistant firmware, ensuring long-term viability against emerging threats. These advancements emphasize the importance of open-source development, enabling community verification and fostering trust in the device's security features for Bitcoin developers and users alike. Trezor Product Blog | | Looking for more rabbit holes? Explore deeper notes, research, and discussions. Home → | |
