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2024-02-28 11:50:18

Bitcoin Optech on Nostr: Bitcoin Optech newsletter #291 is here: - describes a proposed contract for trustless ...

Bitcoin Optech newsletter #291 is here:

- describes a proposed contract for trustless miner feerate futures,
- links to a coin selection algorithm for LN nodes providing dual funding liquidity
- details a prototype for a vault using OP_CAT
- discusses sending and receiving ecash using LN and ZKCPs
- summarizes popular Q&A from Stack Exchange
- adds an Ecash topic
- Optech Newsletter #291 Recap on Twitter Spaces
https://bitcoinops.org/en/newsletters/2024/02/28/

ZmnSCPxj posted to Delving Bitcoin a set of scripts that will allow two parties to conditionally pay each other based on the marginal feerate to include a transaction in a future block...
https://bitcoinops.org/en/newsletters/2024/02/28/#trustless-contract-for-miner-feerate-futures

Richard Myers posted to Delving Bitcoin about creating a coin selection algorithm that is optimized for LN nodes offering liquidity via liquidity advertisements...
https://bitcoinops.org/en/newsletters/2024/02/28/#coin-selection-for-liquidity-providers

Developer Rijndael posted to Delving Bitcoin about a Rust-language proof-of-concept implementation he’s written for a vault that only depends on the current consensus rules plus the proposed OP_CAT opcode...
https://bitcoinops.org/en/newsletters/2024/02/28/#simple-vault-prototype-using-op-cat

Anthony Towns posted to Delving Bitcoin about linking “ecash mints to the lightning network without losing ecash’s anonymity or adding any additional trust”...
https://bitcoinops.org/en/newsletters/2024/02/28/#sending-and-receiving-ecash-using-ln-and-zkcps

Selected Q&A from Bitcoin Stack Exchange:

- Why can’t nodes have the relay option to disallow certain transaction types?
- What is the circular dependency in signing a chain of unconfirmed transactions?
- How does Ocean’s TIDES payout scheme work?
- What data does the Bitcoin Core wallet search for during a blockchain rescan?
- How does transaction rebroadcasting for watch-only wallets work?
https://bitcoinops.org/en/newsletters/2024/02/28/#selected-qa-from-bitcoin-stack-exchange

Ecash is a type of centralized digital currency that uses blind signatures to prevent the centralized controlling party (the mint) from knowing the balance of any particular user or from learning which users were involved in any transactions...
https://bitcoinops.org/en/topics/ecash/

Bitcoin Optech will host an audio recap discussion of this newsletter with special guests Richard Myers and Rijndael on Twitter Spaces Thursday at 15:00 UTC. Join us to discuss or ask questions!
https://twitter.com/i/spaces/1RDGllLMreoGL

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