BIG COLDCARD update π
β Multisig TX finalization & PushTX
β Signed multisig export files
β NFC export retries
β CCC: policy enclave, daily limits, whitelists, web 2FA
β Key Teleport
β Delta PIN wipes
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qzenhwden5te0ve5kcar9wghxummnw3ezuamfdejj7mnsw43rzct689ux5wp4vdkhsa3cv5uk5wte8qcxcan3wqunwcmjwdckgafjvec82vmnwfmhg6ry8yuhzen489chxemnw3sk6wre8qlkyun0v9jxxctnws7hgun4v58eenjy shares the new features with nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprdmhxue69uhhyetvv9ujummjv9hxwetsd9kxctnyv4mz7qg4waehxw309ahx7um5wghx77r5wghxgetk9u8a8wjz & nostr:nprofile1qqsdnpcgf3yrjz3fpawj5drq8tny74gn0kd54l7wmrqw4cpsav3z5fgpzpmhxue69uhkummnw3ezuamfdejsz9rhwden5te0dehhxarj9ehhsarj9ejx2asxstps0 in BR095.
π BR095 - OP_NEXT Recap, COLDCARD, Bitcoin Core, Ephemeral Dust, Ephemeral Anchors, Pay-to-Anchor outputs, Taplocks, Electrum, Cove Wallet, Mempool Space, Liana, Bitcoin Privacy Accounting, ESP32 Review + MORE ft. @Rob1Ham , Rijndael & @nvknvk
π§π Exciting discussions at OP_NEXT! nostr:nprofile1qqsdnpcgf3yrjz3fpawj5drq8tny74gn0kd54l7wmrqw4cpsav3z5fgpzpmhxue69uhkummnw3ezuamfdejsz9rhwden5te0dehhxarj9ehhsarj9ejx2asxstps0 , nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw , and nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qzenhwden5te0ve5kcar9wghxummnw3ezuamfdejj7mnsw43rzct689ux5wp4vdkhsa3cv5uk5wte8qcxcan3wqunwcmjwdckgafjvec82vmnwfmhg6ry8yuhzen489chxemnw3sk6wre8qlkyun0v9jxxctnws7hgun4v58eenjy explore how non-consensus breaking changes can drive #Bitcoin innovation. Off-chain solutions like co-signers, policy signers, and multisig hardware coordination are gaining traction.
Links:
β‘οΈ Fountain: https://fountain.fm/episode/k1HJ4erGWpp2rI9A2Pl1
β‘οΈ Spotify: https://open.spotify.com/episode/1gpkqOl5Wd7S5d8vd033e2
β‘οΈ Amazon:
β‘οΈ Apple: https://podcasts.apple.com/us/podcast/br095-op-next-recap-coldcard-bitcoin-core-ephemeral/id1632017958?i=1000704623755
β‘οΈ YouTube: https://youtu.be/XNc6oOz0qCE
Shownotes:
β‘οΈ Website: https://bitcoin.review/podcast/episode-95/
β‘οΈ Substack: https://open.substack.com/pub/bitcoinreview/p/bitcoin-review-podcast-br095-op_next
#nostr brings a social graph to #bitcoin. β‘
(Now discontinued) Mutiny Wallet was one of the first to use nostr to connect payments & people. π₯
Cashu & nostr:nprofile1qqsx2wyjt6lmvc05rrvv05r5hm3w3t7h0pcpmkyswrpd4ymd2u09tscpr3mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmqpr3mhxue69uhkummnw3ez6vp39e3x7mr59ehkyum9wfmx2usttzvyc continue to demonstrate the power of the nostr social graph.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qzenhwden5te0ve5kcar9wghxummnw3ezuamfdejj7mnsw43rzct689ux5wp4vdkhsa3cv5uk5wte8qcxcan3wqunwcmjwdckgafjvec82vmnwfmhg6ry8yuhzen489chxemnw3sk6wre8qlkyun0v9jxxctnws7hgun4v58eenjy , nostr:nprofile1qqsf03c2gsmx5ef4c9zmxvlew04gdh7u94afnknp33qvv3c94kvwxgspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszrnhwden5te0dehhxtnvdakz7z89t9u , nostr:nprofile1qqsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpp4mhxue69uhkummn9ekx7mqpzdmhxw309aex2mrp0yhx5c34x5hxxmmdptlwkn & nostr:nprofile1qqsdv8emcke7k3qqaldwv956tstu40ejg663gdsaayuuujs6pknw7jspzemhxue69uhhyetvv9ujumn0wd68ytnzv9hxgqg5waehxw309aex2mrp0yhxgctdw4eju6t0gutq7x discuss in BR078.
Zaps are going mainstream. β‘οΈ
nostr:nprofile1qqsdv8emcke7k3qqaldwv956tstu40ejg663gdsaayuuujs6pknw7jsprpmhxue69uhhqun9d45h2mfwwpexjmtpdshxuet5qyf8wumn8ghj7ur4wfcxcetsv9njuetn05794w explains how nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg built a Strike-powered custodial Lightning wallet, allowing anyone to zap on #nostr in just a few clicks. [BR083]
The VC model rewards sitting on inventions.
#Nostr flips that and creates a compounding innovation loop - what you build benefits everyone (not just you).
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzpmhxue69uh5ummnw3ezuamfdejszrthwden5te0dehhxtnvdakqwvj9n8 and nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg break it down in BR083.
What if your COLDCARD could manage UTXO state updates without ever going online? π
nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0spz4mhxue69uhkummnw3ezummcw3ezuer9wchszrnhwden5te0dehhxtnvdakz7d5hf2g , nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzpmhxue69uh5ummnw3ezuamfdejszrthwden5te0dehhxtnvdakqwvj9n8 & nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpp4mhxue69uhkummn9ekx7mqp2amhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33wq6xkeec0fu826ms09knx6pjxpjhyenpxdekzmt2xqc8ymfjva6rguf4wan827t4xd6xwvrcxd4xwvm8v4ehvmnr0pnrsaq5cp3 explore how snapshotting UTXO state and secure serialization can enable vault-like behavior - offline, fully air-gapped, and even across borders. [BR094]
Want to share a seed or SSH key securely across borders?
Meet Key Teleport: a new protocol by nostr:nprofile1qqs9v9et20mnqagtgrnrc5qmzcrgmkt2y3087p23vawqlmyczlhfdcqpzemhxue69uhhyetvv9ujumn0wd68ytnzv9hxgqgswaehxw309ahx7um5wgh8w6twv50ydhr3 to transfer secrets without trusting phones, computers, or comms.
All via QR, NFC, and BBQr.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzfmhxue69uhk7enxvd5xz6tw9ec82cspr9mhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvsjttlm7 & nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0spz4mhxue69uhkummnw3ezummcw3ezuer9wchszxrhwden5te0wpex2mtfw4kjuurjd9kkzmpwdejhgz7vc8x discuss the new protocol and its applications in BR094.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzfmhxue69uhk7enxvd5xz6tw9ec82cspr9mhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvsjttlm7 is calling for better accounting software for #bitcoin companies!
Accountancy for a Bitcoin business means rethinking:
β Spending privacy
β Invoicing without doxxing
β Tax-aware coin control.
Are you building it? Get in touch!
[BR094]
Harbor RC2 is almost here!
π
Fedimint and Cashu with multi-mint support β
Rust-based β
Desktop-first β
No JavaScript! β
nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpz3mhxue69uhkummnw3ezummcw3ezuer9wcq3qamnwvaz7te3xsczue3h0ghxjmcvm6ls5 discusses the current state of development with nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpzfmhxue69uhk7enxvd5xz6tw9ec82cspr9mhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvsjttlm7 & nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0spz4mhxue69uhkummnw3ezummcw3ezuer9wchszxrhwden5te0wpex2mtfw4kjuurjd9kkzmpwdejhgz7vc8x in BR094.
We love Zaprite!
And the Bitcoin Review gang is also rooting for it evolve...
A desktop app?
More local APIs?
Integration with tools like Sparrow& nostr:nprofile1qqsrf5h4ya83jk8u6t9jgc76h6kalz3plp9vusjpm2ygqgalqhxgp9gpr3mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmqpzfmhxue69uhk7enxvd5xz6tw9ec82csg4frrx ?
BIP329 labels?
Just some of the ideas floating around in nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv's feature request corner in BR094.
Could OMEMO be a solution to #nostr DM privacy?
β Forward secrecy
β Offline messages
β Ephemeral sessions
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv , nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj , and nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs dig into nostr secure comms in BR094.
Screenshots to code! πΈ
Front end dev nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj shares his vibe coding workflow using Figma combined with AI tools.
But with AI bridging Figma's limitations, could it soon be rendered obsolete? [BR094]
Is vibe coding creating knowledge debt?
nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj , nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs and nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv warn of AI-generated code that's hard to maintain and lacking a high level *human* understanding.
Do we have something to learn from the military approach to software development? [BR094]
Privacy wallets on #Bitcoin have taken a hit in recent years, and UX often still trails traditional banking.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv , nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj and nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs discuss the evolving Bitcoin ecosystem, and some potential solutions on the horizon, in BR094.
Privacy for businesses shouldnβt be a bolt-on - it should be default.
Joinmarketβs peer-to-peer coinjoin offers a rare escape, but few businesses use it.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv , nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj and nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs discuss the potential for embedded privacy (that doesn't break accounting) in BR094.
π« SaaS bloat
β Vibe-coded precision
nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj and nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv make the case for ditching multi-tenant SaaS complexity in favor of simple, self-hosted tools tailored to real needs - which can now be quickly built with the help of AI. [BR094]
From building Lightning interfaces to coding backend agents, LLMs are evolving fast.
The challenge is no longer computeβitβs control.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv , nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs & nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj unpack vibe coding, prompting limits, and where AI tools are ready in BR094.
Without forward secrecy, #nostr sholuldn't be used as a coordination layer for Bitcoin transactions.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv and nostr:nprofile1qqsvak4cr0jzaarahhn98a9602e94sa2xt8u9dnjac8cns86lzp0z0sprfmhxue69uhhqatjv9mxjerp9ehx7um5wghxcctwvshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7nh3jrs discuss MLS, ephemeral keys and the nostr privacy improvements we need for transaction coordination in BR094.
Mining decentralization is gaining momentum. π§±
With Stratum .work showing live template timing and Stratum V2 adoption on the rise, a shift toward hasher-led block building could arrive within the next few years.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv shares his take in BR094.
π Second just launched its testnet faucet and store, paving the way for more Ark experimentation.
π Unilateral exits and no need for a soft fork β @ArkLabsHQ's tradeoffs might be the breakthrough needed for mobile wallet use.
nostr:nprofile1qqsw3znfr6vdnxrujezjrhlkqqjlvpcqx79ys7gcph9mkjjsy7zsgygpr3mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3k7mgpzamhxue69uhhyetvv9ujucm4wfex2mn59en8j6ggdd5uv & nostr:nprofile1qqsq6myr3rwtqjdcm48u357ccwae8h3a4y96s28y7zwg458ngeyg5vcpzpmhxue69uhnzdps9enrw73wd9hsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnytgzgfj discuss progress in BR094.