bitcoin++ Riga 2025, privacy edition
2025-08-07..2025-08-08
Riga, Latvia
who it's for
wallet developers, privacy researchers, Bitcoin developers, Lightning developers, protocol engineers, node operators, wallet UX designers
topics
Cashu eCash protocol; Nostr encrypted direct messages; compact block filters; Bitcoin Dev Kit (BDK) integration; UTXO Oracle on-chain price extraction; Wasabi coinjoin decomposition; PayJoin on-chain footprint reduction; Bolt12 blinded paths; miniscript descriptors and PSBT; nLockTime and nSequence recovery plans
| title | author | length |
|---|---|---|
| bitcoin++ privacy edition | Riga, Latvia | Day 2 | Peter K Todd, Jeff Gardner, Super Testnet, Fabian Jahr, Mykyta Tymko, Eric Sirion | 06h 46m |
Wasabi’s coinjoin decomposes amounts — one demo shows a 516,000 satoshi input split into three outputs and an on‑chain round that looks like 214 inputs 255… | ||
| bitcoin++ privacy edition | Riga, Latvia | Day 1 | Elias Rohrer, Max Hillebrand, Jeff Gardner, Simple Steve, Claudia Diaz | 05h 42m |
Lightning privacy progress: Bolt12 blinded paths and invoice/onion messaging solve sender/receiver anonymity but only ~5–6% of nodes forward onion messages… | ||
| Balancing Encryption, Anonymity, and UX in Bitcoin Apps | David Novák | 30m |
Vexel is a working Bitcoin marketplace/social app that trades usability for a practical privacy tradeoff: it builds a local social graph from phone numbers… | ||
| Private Web Payments with Cashu (and Nostr) | Egge | 44m |
A minimal web tip flow is built that mints eCash via a public mint and delivers tokens over Nostr: it uses CashuTS wallet to request a mint quote (testnet… | ||
| Light Clients Aren't Dead | Robert Netzke | 35m |
Claims a practical light client by shipping a Rust compact block filter node that integrates with Bitcoin Devkit (BDK) and runs on mobile and desktop, syncs… | ||
| UTXOracle: Historical Significance of the On-Chain Price | Simple Steve | 40m |
Claims that the historical Bitcoin price is recoverable from on‑chain UTXO patterns and demonstrates a working tool called UTXOracle: an open-source Python… | ||
| Privacy Lego: Where Does Cashu Fit in Your Bitcoin Stack? | The Simple Kid | 29m |
Cashew is a bearer-token e-cash system built on a Rust CDK that issues blind-signed tokens interoperable with Lightning (Bolt11/BOLT12) and usable as instant… | ||
| Timelocks and Their Use in Recovery Solutions | Oren Zomer | 36m |
Explains practical recovery plans built from pre-signed transactions using nLockTime and nSequence, with examples in Trezor Suite and an Electrum time lock… | ||
| Operation Orchestra 2.0 | Urban Hernandez | 29m |
Claims a government campaign since 2014 that deliberately breaks Bitcoin’s instant-pay UX by pushing a replace-by-fee that changes destination patch into… | ||
| Miniscript | Ady Shimony | 27m |
Miniscript converts human-readable spending policies into a concrete script by compiling policy → miniscript → Bitcoin Script with a 1:1 mapping from… | ||
| The State of Ecash Design | Erik Cativo | 25m |
Cashu is presented as an eCash protocol with over 29 live projects and wallets, using Chaum-style blind signatures and a mint model; wallets integrate a… | ||
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