bitcoin++ Berlin 2025, lightning edition
2025-10-02..2025-10-04
Berlin, Germany
| title | author | length |
|---|---|---|
| lightning++ Berlin 2025 | Main Stage – Day 1 | Michael Markle, Roland Buick, Sergio Lerner, Steve Lee, Tyler Wood | 06h 19m |
Day 1 reports concrete wins and real problems: an event merch system uses BTC Pay and self‑custodial checkout, runs a Square pilot and records 4,183… | ||
| lightning++ Berlin 2025 | Main Stage – Day 2 Part 1 | Matt Corallo, Allen Farrington, Fabrice Drouin, Rene Pickhardt | 04h 59m |
Welcome back to lightning++ Berlin 2025 — exploring the frontier of Bitcoin and Lightning-powered payments.
This livestream covers Day 2 (Main Stage) —… | ||
| lightning++ Berlin 2025 | Main Stage – Day 2 Part 2 | Evan Kudas, Peter K Todd | 02h 12m |
Zeus ships a graduated wallet that starts users on custodial Cashew ecash, reduces LSP onboarding to ~6–7k sats, supports portable lightning addresses, NFC… | ||
| lightning++ Berlin 2025 | Main Stage – Day 3 | Christian Decker, Nicholas Goline, Dusty Daemon | 05h 22m |
Cloud Lightning ops claim they run 250,000 nodes by spinning nodelets up just-in-time — nodes boot in about 1–3 seconds, use a segregated signer, and store… | ||
| Requiem for a Decentralized Bitcoin | Matt Corallo | 23m |
Claims that mobile self‑custodial Lightning is now workable cite concrete fixes: LDK async persistence and live backups, Phoenix‑style wallet plumbing… | ||
| The Fiat Payment Stack | Allen Farrington | 32m |
Fiat payments are traced as ledger adjustments across Fed reserve accounts, nostro/vostro relationships, ACH batching, Visa’s settlement bank and merchant… | ||
| Integrating Lightning and Utreexo, a study case | Davidson Souza | 30m |
Utreexo uses a dynamic accumulator built from a forest of microtrees so channel outpoints are provable with tiny, less than 1 kilobyte roots and… | ||
| RaspiBlitz It started with Lightning; where are we now? | rootzoll | 32m |
RaspiBlitz begins at 2018 Lightning hack days and grows into a supported full‑node distro with over 200+ contributors and a four‑person core team; it adds LND… | ||
| Challenges of Building a Non Custodial Lightning App | ek | 30m |
A custodial to noncustodial migration over 18 months makes every zap a Lightning payment so the site now wraps invoices LMProxy-style and forwards payments… | ||
| Differential Fuzzing on Lightning Network | Erick Cestari | 33m |
Framework bitcoin-fuzz uses libFuzzer with coverage instrumentation to run differential fuzzing across LND, Core Lightning, rust-lightning, eclair and… | ||
| This One Math Trick Powers the Future of Lightning - PTLCs 101 | joanoctus | 22m |
PTLCs replace HTLC hashes with point‑based secrets embedded in ECDSA/Schnorr nonces so a revealed full signature reveals the secret; this uses adapter… | ||
| Scaling Lightning Panel | Evan Kudus | 01h 03m |
Panel argues why people avoid running personal Lightning nodes: chronic liquidity management, unreliable home networks, and real cash losses when channels… | ||
| Sim-ln | Fernando L | 23m |
Sim-ln is a payment generator for the Lightning Network that runs against LND CLN and Eclair and can use real nodes or mock nodes in Polar Docker or… | ||
| Building Secure and Watchtower efficient Bitcoin Payment Channels with BitVMX | Sergio Lerner | 34m |
Introduces a channel that uses one-time signatures to make watchtowers require constant space (about 2KB per channel) and only the last two revocation… | ||
| Medium Of Exchange | Michael Markle | 22m |
Conference merch and F&B systems run on self‑custodial payment stacks (BTC Pay) and Lightning, producing a 60/40 split (credit card vs Bitcoin) at recent… | ||
| Everything I know about Routing Reliability and Liquidity on the Lightning Network | Rene Pickhardt | 41m |
Distinguishes infeasibility vs uncertainty: some payments are impossible without onchain moves while others fail from unknown balances. Uses simulated… | ||
| Graduated Wallets | Evan Kaloudis | 24m |
Zeus ships a graduated wallet that starts users on custodial Cashew eCash and lets them upgrade into an embedded node, claiming onboarding costs drop to 6–7k… | ||
| Fairgate Workshop | Pedro Prete | 41m |
BitBMX implements optimistic disputable computation on Bitcoin by compiling C++/Rust programs to RISC‑V32 ELF and mapping each RISC‑V instruction to Bitcoin… | ||
| The Intersection of Bitcoin and AI | Roland Bewick | 28m |
Albi ships an MCP server that lets AI agents make and receive Lightning payments, demoing a $1 payment, Bitrefill gift‑card purchases and PDF conversions paid… | ||
| Receiving BOLT12 payments in LND | Maurice Poirrier | 25m |
Claims a working shim that runs LNDK next to LND to enable full BOLT12 offer/receive flows today, using onion messages, blinded paths and standard TLVs; demo… | ||
| State of Lightning Privacy | Elias Rohrer | 34m |
Lightning privacy currently offers Bolt12 blinded paths for sender/receiver anonymity and works with LDK enabling onion message forwarding, but notable attacks… | ||
| User, Not Coder: How Lightning Feels on the Trenches | Koty Auditore | 19m |
Company runs Bitcoin derivatives on Lightning and claims it reliably delivers near-instant settlements for traders, running 24/7 since March 2020. A sudden… | ||
| Ark: your gateway to Lightning | Erik de Smedt | 24m |
Bark is a live ARC implementation that uses VTXO trees and a funding+exit chain to preserve unilateral custody while enabling pooled onchain efficiency; rounds… | ||
| Running The Block Lightning Node | Tyler Wood | 29m |
Block runs the LDK-based routing node formerly called C= and fronts Cash App and soon Square, serving 50 million monthly users and reporting 600% growth year… | ||
| Introducing Flux | Allen Farrington | 10m |
Flux launches a Bitcoin-native asset manager that raises, accounts and deploys only in BTC, claiming higher capital efficiency for Lightning businesses that… | ||
| Lightning Sparks | Steve Lee | 28m |
Spark combines state chains and payment trees so one on‑chain UTXO spawns many off‑chain leaves and supports 4,000 transfers per tree before renewal, but… | ||
| Lightning's (other) Toxic Waste Problem | Peter K Todd | 09m |
Local Lightning node software is retaining full routing logs for years, storing entries like 198,995 sats payments and timestamps even after channels… | ||
| Unlocking Bitcoin Payments with open standards like Nostr Wallet Connect | Moritz, ek, Evan Kaloudis | 20m |
Nostr Wallet Connect works as a simple, implementation‑agnostic bridge letting mobile wallets control remote Lightning nodes; Zeus and Stacker News already use… | ||
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