PushTX, delayed transactions, change address lists... Your wallet could do all this, and more.
@DETERMINISTIC OPTIMISM π and @Rob Hamilton explore some of the possibilities of advanced wallet features in BR090.
Bitcoin.Review
_@bitcoin.review
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A Podcast and Newsletter review of Bitcoin Software updates and related topics with NVK and guests.
"If you have a thousand UTXOs, good luck!"
@DETERMINISTIC OPTIMISM π explains why Bitcoin Core struggles with indexing, while @Rob Hamilton highlights how #Electrs & #BDK make large-scale self-custody workable.
Catch the full discussion in BR090.
Change address verification isnβt optional - itβs critical.
Without verifying change addresses, users risk sending funds to attackers, or losing them entirely.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss this simple yet vital feature (only on COLDCARD!) in BR090.
Schnorr vs. ECDSA: Why didnβt Satoshi choose Schnorr for #bitcoin? π§
@DETERMINISTIC OPTIMISM π & @Rob Hamilton dive into Schnorr's history, its release from patent constraints, and the uphill hardware battle for adoption in BR090.
BitKey strikes a balance: entry-level multi-sig wallet with verifiable self-custody.
But are easy wallets failing to teach #Bitcoin fundamentals?
@DETERMINISTIC OPTIMISM π and @Rob Hamilton explore the risks and benefits of the BitKey solution in BR090.
Complex setups β better security.
@DETERMINISTIC OPTIMISM π and @Rob Hamilton break down why overcomplicating Bitcoin security with laptops is impractical and dangerous.
Hardware wallets? Simple, hardened, and built for attacks. [BR090]
Why is signing PSPTs critical?
@DETERMINISTIC OPTIMISM π and @Rob Hamilton discuss how hardware wallets can validate PSPTs through ephemeral key exchanges, enhancing trust and eliminating unsigned data risks. [BR090].
Deep fake-resistant #Bitcoin security?
@Casa steps up with a new feature: live calls + code verification to ensure user safety.
@DETERMINISTIC OPTIMISM π and @Rob Hamilton share their thoughts in BR090.
Read @Jameson Loppβs blog post:

Casa Blog
Nice try, AI: Introducing new deepfake-resistant verification codes
Recently, Casa rolled out deepfake-resistant verification codes aimed at protecting our clientsβ bitcoin from imposters. This new feature is avai...
Why do hardware wallets still rely on outdated QRs? β
NFC offers:
β
Easier app integration
β
Tap-to-tap interoperability
β
Better user experience
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss the future of NFC-enabled wallets in BR090.
Should you worry about legacy Bitcoin addresses?
β
Secure (even more than SegWit!).
πΈ Slightly costlier for transactions.
π Paper wallets? Move funds before disaster strikes.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton explore legacy address myths in BR090.
The original Bitcoin address format? Raw public keys. π
@Super Testnet revives this classic with P2PK Playground.
Basic JS + HTML, open-source, and experimental.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton unpack it in BR090.
Link to project:
https://supertestnet.github.io/p2pk_playground
Samourai Walletβs pretrial hearing was postponed to March 12 as petabytes of seized data flood the discovery process.
Prosecutors are deploying the βdrown you in paperworkβ tactic to exhaust resources.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton give their take in BR090.
(Donate: https://p2prights.org/)
"If BTC must be essentially be held in custody, then why use BTC over gold?" π€
@DETERMINISTIC OPTIMISM π & @Rob Hamilton explain why #bitcoin remains superior, even in a world where most people may choose to use custodians. [BR090]
Self-custody is key to preserving #Bitcoin's decentralization.
Moving your UTXOs into self-custody supports the network, and your freedom.
@Rob Hamilton & @DETERMINISTIC OPTIMISM π discuss how real value lies in self-custody and validating your own UTXOs in BR090.
Irrevocable fees - stealing from LN using revoked commitment transactions π¨
David Hardingβs disclosure sparks a discussion on LN's trust model.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton 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! π
β
Mime fun support (@yellow makes an appearance!)
β
Stocks added
β
Bitcoin Treasuries improvements (track your #MSTR!)
Plus fixes, external IP logging & more.
@DETERMINISTIC OPTIMISM π 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.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss the project, advising a cautious approach in BR090.
Zero Fee Playground: A site for trying out zero fee bitcoin transactions by @Super Testnet
Provides a step-by-step demonstration for creating and testing paired transactions using #Bitcoin version 28's updated rules.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss the project in in BR090.
π¨ Nearly $500K lost in a phishing attack via fraudulent Google recovery prompts.
Scammers exploited Google Forms & domains for added legitimacy.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss how these scams work and Google's negligence in BR090.
π¨ Mining pools filtering transactions?
@b10c βs work with MiningPool.Observer revealed block template mismatches and hidden backend pooling, challenging mining transparency.
@DETERMINISTIC OPTIMISM π & @Rob Hamilton discuss in BR090.