Good Morning, Bitcoin - Tuesday, April 15th, 2025

Good morning! A huge shoutout to Marty Bent for making a generous donation of 500,000 sats last week.

Headlines

• Block launched open-source tools for Bitcoin treasury management. These include a dashboard for managing corporate bitcoin holdings and provides a real-time BTC-to-USD price quote API, released as part of the Block Open Source initiative. The company’s own instance of the bitcoin holdings dashboard is available here.

• The Bitcoin Bond Company for institutions has launched with the aim of acquiring $1 trillion in Bitcoin over 21 years. It utilizes secure, transparent, and compliant bond-like products backed by Bitcoin.
• The U.S. Senate confirmed Paul Atkins as Chair of the Securities and Exchange Commission (SEC). At his confirmation hearing, Atkins emphasized the need for a clear framework for digital assets. He aims to collaborate with the CFTC and Congress to address jurisdiction and rulemaking gaps, aligning with the Trump administration's goal to position the U.S. as a leader in Bitcoin and blockchain finance.
• Ethereum developer Virgil Griffith has been released from custody. Griffith, whose sentence was reduced to 56 months, is now seeking a pardon. He was initially sentenced to 63 months for allegedly violating international sanctions laws by providing technical advice on using cryptocurrencies and blockchain technology to evade sanctions during a presentation titled 'Blockchains for Peace' in North Korea.
• Ross Ulbricht to speak at Bitcoin 2025 conference. "It's official. I am excited to announce that I will be making my first public appearance and speech since my release from prison at The Bitcoin Conference in Las Vegas," he said in a post to X.
• Tether to back OCEAN Pool with its hashrate. "As a company committed to financial freedom and open access, we see supporting decentralization in Bitcoin mining as essential to the network’s long-term integrity," said Tether CEO Paolo Ardoino.
• Voltage has partnered with BitGo to enable instant, low-cost bitcoin and, soon, stablecoin payments globally via the Lightning Network.
• Firefish has raised $1.8 million to expand the Bitcoin lending market. This bitcoin-collateralized lending marketplace, backed by Braiins and Miton C, raised $1.8M in seed funding to expand globally.
• Strategy acquired 3,459 BTC, bringing its total holdings to 531,644 coins. The purchase took place between April 7 and 13, 2025, at an average price of $82,618 per bitcoin, funded through its at-the-market offering program.
• Metaplanet is now the tenth largest public Bitcoin holder after acquiring 319 BTC and increasing its total holdings to 4,525 coins.
• The Mayan Bitcoin Conference is scheduled to take place in Merida, Mexico, from December 4 to 7, 2025. Book your tickets and learn more about the event here.

Use the tools

• Bitcoin Core v29.0 is now available. See the full release notes here.
• Mempool v3.2.1 has been released, including a hotfix to prevent a potential crash loop if the list of mining pools fails to update.
• Bitcoin Safe v1.2.2 has added address poisoning detection and warnings, Nostr Sync and Chat improvements, enhanced error handling for interrupted USB connections, and more.

• Zeus v0.10.2-rc2 is now available for testing. This version focuses on various bug fixes.
• Misty Breez v0.1.3-beta, a mobile app built with Flutter as a reference implementation for the Breez SDK (Nodeless), brings a consolidated Lightning and Bitcoin address, lowers the minimal receive threshold to 100 sats, and fixes localization issues with the default Lightning address.
• Dana Wallet v0.4.4, a Bitcoin wallet utilizing silent payments, is now available.
• Stack Wallet v2.1.11, a multicoin wallet with Bitcoin Frost multisig support, has been released with more robust logging and other improvements.
• Fedimint protocol v0.7.0 is now available. Release highlights include lower on-chain fees through better estimation, initial recurring payment support via LNURL, integrated guardian and setup UI for simplified deployment and beta support for running fedimintd behind firewalls and NAT routers without opening ports or registering domains.
• Ark v0.5.9 by Ark Labs is the latest bug fix release that addresses an issue with macaroon permissions.
• Cashu Dev Kit (CDK) v0.9.0 introduces amountless invoices through an update to NUT-05, adds timestamping for mint and melt quotes, reorganizes code by moving wallet modules to cdk-common, and fixes several bugs, including issues with SQLite database creation and mint URL updates.
• Tribe RBG wallet v0.3.1 includes in-app version-wise release notes, support for stablecoin icons, and several bug fixes and improvements.
• Cypher Box v0.4, a modular Bitcoin-Lightning Android app designed for onboarding newbies to advanced self-custody, introduces a strategic coin batching button, hot vault PSBT signing, and a decoy wallet.
  • Check out the project's website here.

• Keychat app v1.31.2, a chat app built on Bitcoin ecash, Nostr, and Signal Protocol, fixes bugs in MLS groups. The release also includes a DMG file for macOS desktop users.
• Aegis v0.1.0 beta is a simple, cross-platform Nostr signer that supports multiple connection methods. It currently supports iOS URL Scheme login for inter-app authentication flows and is available on iOS via TestFlight.
• stacker.news introduced changes to horse and gun badges to indicate whether users have wallets attached.
• SimpleX Chat v6.3.2 provides a fix related to backward/forward compatibility of the app in some rare cases.
• Tor Browser v14.5a.6 is now available for testing.
• GrapheneOS v2025041100 is a full April security update release.

Other stuff

• Here's a tutorial on how to 'vibe-code' Bitcoin games with Roland from Alby.

• Ruben Somsen introduced SwiftSync: a near-stateless, fully parallelizable method for validating the Bitcoin blockchain, providing hints about which outputs remain unspent.
• Bitvocation's Bitcoin Job Market update for March 2025 is available here.
• Btrust Builders wrote a blog post on how Lightning Nodes source onchain data.
• Atomic Signature Swaps over Nostr by Victor is a protocol for atomically exchanging Schnorr signatures using Nostr events for orchestration.
• Check out the following documentary by Marius Farashi Tasooji on the Bitcoin-fueled transformation of El Salvador.

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