The 15th Bitcoin Cash Development video meeting for 2019 took place on October 24 at 15:00 UTC. Participants: Amaury Séchet - Bitcoin ABC Antony Zegers - Bitcoin ABC Jason B. Cox - Bitcoin ABC Mark Lundeberg, - Independent BCH Developer Andrea Suisani - Bitcoin Unlimited Emil Oldenberg - Bitcoin.com Josh Ellithorpe - BCHD Tyler Smith - BCHD Host: David R. Allen Goal of the meeting: The Future of Bitcoin Cash and Future Upgrades 1. Discussion of network and mempool behavior, in particular regarding the 25-unconfirmed transaction limit. 2. Double-spend proofs. 3. Next upgrade potential items - Sigops counting improvements Merklix tree New opcodes - MUL, Reverse-op-roll Bigger integers Fork of ABC that Peter Tschipper has modified to have the new code that handles long txs chain: https://github.com/ptschip/BitcoinUnlimited/commits/abc_cpfp November 15th Upgrade Specification: https://github.com/bitcoincashorg/bitcoincash.org/blob/master/spec/2019-11-15-upgrade.md Ideas welcome: https://www.thefutureofbitcoin.cash ... https://www.youtube.com/watch?v=TRhFrfqwznM

Bitcoin Cash Difficulty Adjustment Algorithm Development meeting #3: Follow up of DAA meeting number 2: Discuss progress on development, implementation and specification. August 3rd, 2020, 19:00 UTC Donations in support of these meetings and videos are welcome at : bitcoincash:qrwyeh8r09rgmpcc6adde6l7u0yp9c7wxcc65qck7j More information about these meetings on https://www.thefutureofbitcoin.cash Participants: Amaury Sechet Jonathan Toomim Jacob Eliosoff Chris Pacia Scott Roberts Josh Green Antony Zegers Freetrader Josh Ellithorpe Mark Lundeberg Host: David R. Allen Agenda: 1. Welcome - Chair 2. Introductions: (1 min each) Name, background, current work and interest in the subject, 3. Reason for the meeting: Follow up of DAA Developer meeting #2, progress on development, implementation and specification, 4. Format for the meeting: - Rules of engagement / Code of conduct, - Suggestions for the Agenda (What do participants want to discuss with regards to the DAA), - Acceptance of the Agenda, 5. Primary Discussion Items: To be decided by meeting participants, 6. Calls to Action, 7. Next meeting, Adjournment. 5. Primary Discussion Items (as decided by meeting participants): 1. Follow up from the last meetings, 2. "concerns about recent unilateral announcements by ABC", 3 "Sim results from Grasberg", 4. How can we achieve consensus - What is the Process?, 5. What are the practical risks of the algorithms on the table, 6. Marketing side comparing other crypto DAA work group link: https://t.me/joinchat/HCYr506_9oNIjmWgXh_kyA