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Cashu Nutshell v0.12.3: Pay To Pubkey (P2PK) - "This Nutshell release introduces a new token lock type called Pay-to-Pubkey or P2PK. - "This allows you to create ecash tokens that can only be spent by their designated recipient. A token locked with P2PK can be posted online without any third party being able to spend it." - "In an upcoming upgrade we will also add DLEQ proofs (PR) which allow anyone to check the validity of the mint's signature on a token without having to contact the mint." - "These two features combined, P2PK and DLEQ proofs, allow for a very interesting use case: publicly verifiable payments to a pubkey in the form of ecash."
IMF Paper on Taxing Bitcoin Sees 'Quasi-Anonymity' as Greatest Challenge - "The good news for tax authorities, and regulators, is that contrary to the vision of the original [Bitcoin] designers - a core role has emerged for centralized institutions of various kinds in the transacting of crypto assets, notably exchanges through which they are bought and sold." - "Working in [tax administrators'] favor is the vast amount of information publicly available in unpermissioned blockchains. This provides scope for the application of techniques that have been developed for the forensic analysis of blockchain structures." - "More speculatively, miners - who do see every transaction in non-stablecoins- might in principle be given a role in tax reporting/withholding, consistent with the general principle of tax administration favoring collection, where possible, at a relatively small number of upstream points."
Machankura Clans Feature Lets Africans Send & Receive Bitcoin as a Group Machankura allows Africans to send and receive Bitcoin without internet access. It combines USSD technology with Bitcoin’s Lightning Network. Available in Ghana, Kenya, Malawi, Namibia, Nigeria, South Africa and Zambia.
Brazilian Bitcoin Startup Bipa Raised $1.4M In Seed Round "Notable investors include New Form Capital - a venture capital fund focused on early-stage startups involved with blockchain technology and the financial market and Hivemind Ventures, which invests in startups with a Bitcoin focus, which both made their first investment in the Brazilian market through this round."
OpenSats Announced Long-Term Support Program For Bitcoin Developers & First Wave of Nostr Grants OpenSats marked the launch of its new long-term support program for Bitcoin developers and related 'internet people' by issuing first grant to Bitcoin Core maintainer Marco Falke, and also announced the first round of Nostr grants.
CivKit Roadmap: BOLT12 Offers, Staking Credentials, Mainstay & More - "The main service supported by the CivKit node is a market board, where multiple connected nodes can form a peer-to-peer market system." - "CivKit aims to offer good interfaces for clients softwares, where they can access market board services over standard Nostr or Lightning communication channels." - Expected delivery at the end of Q4 2023.
US Homeland Security Returns $314K of $3.6B Stolen in 2016 Bitfinex Hack "The U.S. government continues to make progress in prosecuting individuals involved in the Bitfinex security breach and in seizing funds associated with the theft," Bitfinex said.