Self-custody is key to preserving #Bitcoin's decentralization.
Moving your UTXOs into self-custody supports the network, and your freedom.
nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw & nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 discuss how real value lies in self-custody and validating your own UTXOs in BR090.
Irrevocable fees - stealing from LN using revoked commitment transactions 🚨
David Harding’s disclosure sparks a discussion on LN's trust model.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw dive into the risks of miner-counterparties and the non-replaceable security of on-chain Bitcoin in BR090.
BLOCKCLOCK v1.2.3 update is here! 🚀
✅ Mime fun support (nostr:npub1nw5vdz8sj89y3h3tp7dunx8rhsm2qzfpf8ujq9m8mfvjsjth0uwqs9n2gn makes an appearance!)
✅ Stocks added
✅ Bitcoin Treasuries improvements (track your #MSTR!)
Plus fixes, external IP logging & more.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 shares updates, fixes & fun quirks in BR090.
Samourai Wallet fork #Ashigaru has seen a big update in v1.1.0, but some questions remain over its security and usability.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss the project, advising a cautious approach in BR090.
Zero Fee Playground: A site for trying out zero fee bitcoin transactions by nostr:npub1yxp7j36cfqws7yj0hkfu2mx25308u4zua6ud22zglxp98ayhh96s8c399s
Provides a step-by-step demonstration for creating and testing paired transactions using #Bitcoin version 28's updated rules.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss the project in in BR090.
🚨 Nearly $500K lost in a phishing attack via fraudulent Google recovery prompts.
Scammers exploited Google Forms & domains for added legitimacy.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss how these scams work and Google's negligence in BR090.
🚨 Mining pools filtering transactions?
nostr:npub1kyxqqqq8n2pu7f5pthr48zqcmr2k52vrud6wxzjpg0jsqcyhs3tshfc6vv ‘s work with MiningPool.Observer revealed block template mismatches and hidden backend pooling, challenging mining transparency.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss in BR090.
Bitcoin Safe 1.0.0rc1 is here 🚀
✅ Full HW wallet support
✅ Label sync & backup (via Nostr)
✅ Sync & chat tools
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss integrating Nostr for coordination and encrypted backups, paving the way for Bitcoin-native apps in BR090.
🚨 Proton Wallet’s early preview was found vulnerable by Zellic, using Dart's Random() class—a non-secure RNG for mnemonics.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 and nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss the vulnerability in BR090.
.nostr:npub1reezn2ctrrg736uqj7mva9lsuwv0kr5asj4vvkwxnrwlhvxf98tsq99ty4 ‘s nostr:npub13dk3dke4zm9vdkucm7f6vv7vhqgkevgg3gju9kr2wzumz7nrykdq0dgnvc based app delivers address verification over NFC with COLDCARD Q! 🚀
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw share insights in BR090.
Demo:
nostr:npub18ull0tdnj9vugtq259k48szg80al44ta7g4fa85nvj3svaq7kt8s9udcl9 mobile wallet now supports PayJoin V2, enabling serverless, asynchronous transactions. 🚀
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 and nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss this exciting update in BR090.
A fake Uber driver was recently found to have stolen $223,000 in cryptocurrency.
Lessons:
☝️Use cold storage for large amounts
☝️Don’t store funds in an exchange wallet.
☝️Use passcode on apps involving money
☝️Don’t part with phone
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 and nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw break it down in BR090.
COLDCARD Edge v6.3.4 introduces 🔐 Delta mode enhancements:
✅ Secure Notes/Passwords hidden in Deltamode
✅ Automatic seed wipe on suspicious access
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 explains how these features support travelers & nomads managing unique threat models in BR090.
Tangem hardware wallet fixed a critical app bug that saved seed phrases in logs. Users lost funds, raising concerns about secure Java card implementations.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 and nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw discuss the case, and why trustworthy #bitcoin-only vendors are so important, in BR090.
Bitcoin’s signatures traditionally commit to UTXOs. What if they could commit to anything? 🤔
BIP 348’s CHECKSIGFROMSTACK makes it possible - paving the way for better scaling, innovative oracle use cases and more.
nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw explains in BR090.
How do signatures prove ownership without revealing private keys? 🤔
Bitcoin ownership isn't about holding coins - it's about proving you control UTXOs on the blockchain.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw give an ELI5 on #bitcoin signing in BR089.
*BR090!
How do signatures prove ownership without revealing private keys? 🤔
Bitcoin ownership isn't about holding coins - it's about proving you control UTXOs on the blockchain.
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw give an ELI5 on #bitcoin signing in BR089.
🚀 BR090 - COLDCARD, BullBitcoin, Bitcoin Safe, miningpool-observer, Zero Fee/P2PK Playgrounds, Tangem Private Keys Exposed, Proton Wallet Vuln, Signatures Explained, "Not Enough UTXOs!" + MORE ft. nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw & nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8
Listen to the episode:
➡️ Fountain: https://fountain.fm/episode/i4mQO7rwTk0eHwHs3zUG
➡️ Spotify: https://open.spotify.com/episode/2KQQxZSbDJT5osjZgVcSek
➡️ YouTube: https://youtu.be/dj7b6GN-BIY
Shownotes:
➡️ Website: https://bitcoin.review/podcast/2025-01-03-episode-90/
➡️ Substack: https://open.substack.com/pub/bitcoinreview/p/br090-coldcard-bullbitcoin-tangem
How many UTXOs can Bitcoin truly support? With 2.1 quadrillion sats available for everyone in the world, NVK and Rob explain why the future lies in layered scaling. 👇
"We win this by network growth, not by choice of network players." ~ NVK
Early forks tried more supply; now, it's elaborate scams.
But the truth remains:
✅ Bitcoin is king.
✅ Secure your sats.
✅ Ignore the noise.
nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw & nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 give their bullish sentiments in BR089.
The Overton window has shifted: 10 years ago, the idea of nations adopting #Bitcoin as reserves seemed insane. Today, it's happening. 🚀
nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw , nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 & nostr:npub1hea99yd4xt5tjx8jmjvpfz2g5v7nurdqw7ydwst0ww6vw520prnq6fg9v2 reflect on Bitcoin's magnificent rise in BR089.