The seminar will take place on Dec 29th, 18:00, at the embassy. See the events on Facebook and Meetup.com for more details.
Releases
- c-lightning v0.8.0 (Blockchain Good, Orange Coin Bad)
- lnd v0.8.2-beta
- JoinMarket v0.6.0 (and v0.6.1: bugfix)
- Electrum Personal Server v0.2.0
- Wasabi v1.1.10: The Unspendables (and v1.1.10.1: Hotfix and v1.1.10.2: Core 19)
- Breez v0.8
- BTCPayServer Vault v1.0.0
New software
CVE & InfoSec
- Flaw Found in Keepkey Crypto Hardware Wallet (part 2 with more technical details)
- 795-bit RSA has been factored (RSA Number 240 of the RSA Factoring Challenge)
- TPM-FAIL: TPM meets Timing and Lattice Attacks
- US Authorities Arrest Alleged SIM Swappers After Crypto Thefts
Alts
- 51% attack on Vertcoin
- MakerDAO whales can steal the collateral
- Replayable P2SH UTXOs up for grabs on BSV
Network Data & Tools
- Bitcoin Cash hardfork produces 25 blocks on old chain
- LN BigSun explorer
- nioctib.tech transaction debugger (reddit announcement)
- yogh.io debugger/explorer (mining simulator, block, tx)
- BitMEX Lightning penalty transaction alert system (blog post)
Research
- Bitcoin’s Initial Block Download
- Proactive Threshold Wallets with Offline Devices (blog post)
- Rainbow Network: off-chain synthetics exchange over payment channels
- A Look at Innovation in Bitcoin’s Technology Stack
Optech
- Taproot/Schnorr notebooks now available on Google Colab (on the workshop page)
- Optech Newsletter #74
- Optech Newsletter #75
- Optech Newsletter #76
- Optech Newsletter #77
- Optech Newsletter #78: 2019 Year-in-Review Special
Mailing Lists
bitcoin-dev
- Composable MuSig
- Signing CHECKSIG position in Tapscript
- Analysis of Bech32 swap/insert/delete detection and next steps
- Blind Merged Mining with covenants
lightning-dev
- eltoo towers and implications for settlement key derivation
- A gossip network for cross-chain trampoline payments
- Time-Dilation Attacks on Offchain Protocols
- Lightning in a Taproot future
- Research on proactive fee free channel rebalancing
- On Path Privacy
BIPs & specs
BIPs
OP_CHECKTEMPLATEVERIFY
BIP draft (previouslyOP_SECURETHEBAG
, announcement, revisions, utxos.org)
BOLTs
Pull Requests and repo updates
Bitcoin Core
- #17624: Fix an uninitialized read in ProcessMessage (merged)
- #12763: RPC Whitelist (merged)
Bitcoin Core PR Review Club
- #16426: Reverse cs_main, cs_wallet lock order and reduce cs_main locking
- #16702: Supplying and using asmap to improve IP bucketing in addrman
- #17639: Add make check-valgrind to run the unit tests under Valgrind
Bitcoin Core HWI
c-lightning
- #3260:
createonion
andsendonion
RPC commands (merged) - #2925:
sensitive_command
plugin hook (merged) - #3309: MPP send and receive support (lowlevel) (merged)
- #3259: Payment secret support (merged)
- #3369: funding: enable push_msat (merged)
- #3268: lightning ain’t reckless anymore? (merged)
lnd
- Circular payments / rebalancing
- #3736: allow route to self (merged)
- #3739: last hop restriction (merged)
- Millisatoshis Support
- Close to address
- #3655: Add Option Upfront Shutdown (merged)
- #3702: Add optional close address (merged)
- #3795: lncli+invoices: experimental key send mode (merged)
- #3415: allow settling invoices via multi-path payments (merged)
Miscellaneous
- Ethereum’s surprise hardfork holiday present (more details)
- China’s firewall blocks Etherscan.io
- Austin Bitcoin Developers Socratic Seminar 4 Transcript
- STRIKE Virtual Hackathon Winners
- BitMEX enables bech32 withdrawals
- The Cypherpunks-legacy Archives September 1992-December 2019 (some goodies)
- Square Crypto supplies a grant to ZmnSCPxj (ZmnSCPxj’s about page)
- utreexo c++ library looking for a maintainer
- Overview of bip-taproot and bip-tapscript by sipa (transcript)
- Secure value recovery - SGX-assisted rate limiting
- Bitcoin’s 2019 in Tech: What This Year Brought Us (Part 1)
- WalletScrutiny - wallet classification and reproducibility verification
- CoinFloor becomes Bitcoin-only
- Why Exchanges Delist Coins
Lightning
- Lightning This Week 605,954
- Lightning This Week 606,937
- Lightning This Week 608,974
- Bitfinex enables Lightning deposits & withdrawals
- LNURL (spec, playground)
- Lightning on Mobile: Neutrino in the Palm of your Hand
- LNDroid Daemon
- Nayuta hybrid full-node/spv mobile wallet (BitcoinMagazine)
- 2019: A Light(ning) year of progress
- Bottle Pay shuts down
- Boltathon presentations
- Protocol Development Using c-lightning by cdecker (video)