Socratic Seminar 4

2018-11-12

Bitcoin Core PRs

First step in multiprocess bitcoin-core merged
https://github.com/bitcoin/bitcoin/pull/14437

Add some invalid message tests for P2P layer
https://github.com/bitcoin/bitcoin/pull/14522

PSBT Bug Fix
https://github.com/bitcoin/bitcoin/pull/14377

Return of the Banman
https://github.com/bitcoin/bitcoin/pull/14605

Dandelion++
https://github.com/bitcoin/bitcoin/pull/13947

Built Bitcoin-QT without BIP 70/OpenSSL
https://github.com/bitcoin/bitcoin/pull/14451

File descriptor fix
https://github.com/bitcoin/bitcoin/pull/14336

Expansion cache functions for descriptors
https://github.com/bitcoin/bitcoin/pull/14646

Lightning

Overview of Lightning Australia Summit Wumbo bit Splicing https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-October/001434.html

2-party ECDSA (for private channels only) Advertise inbound liquidity https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-November/001532.html

AMP & Link-level AMP Rendezvous Routing https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-November/001498.html

Schnorr Signatures for announcements/updates Full list of potential 1.1 change:

1. Use static BIP32 addr for to-remote
2. Add symmetric CSV delay commitment outputs
3. Add 2-byte error codes
4. Should ping before sending commitment signed
5. Define inline BIP69
6. Splicing w/ renegotiated channel params!!
7. Splice out w/ upfront shutdown script
8. Wumbo bit for large channels
9. Dual funded channels, maker advertisement
10. RBF for funding txns, continue on ML
11. 2p-ecdsa for private channel funding, global+local feature bits
12. Extra Onion Blob decoding
13. Base+OG AMP
14. Document non-strict forwarding
15. Rendezvous routing proposal
16. Protocol-level ACK/soft errors
17. DNS queries + global list
18. New sid format
19. INV gossip
20. Set-reconciliation gossip
21. Maximum CSV of 2016
22. Chain hash in Init message
23. Schnorr gossip messages
24. Separate port for gossip/ephemeral gossip pubkey
25. Channel range queries w/ timestamps
26. Channel_announcement + channel_close w/ merkle proofs
27. Block header forwarding
28. channel_update really_really_really_disable bit 2

Lightning and Scriptless Scripts
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-November/001489.html

Advertising Inbound Liquidity
https://lists.linuxfoundation.org/pipermail/lightning-dev/2018-November/001532.html

Option to disable fund push
https://github.com/lightningnetwork/lnd/issues/2027

News

Square Outsourcing Subzero
https://medium.com/square-corner-blog/open-sourcing-subzero-ee9e3e071827

Square Market Metrics
https://twitter.com/longhashdata/status/1061012798292013056

Blockstream.info new explorer
https://blockstream.info

Bulletproofs 1.0 release from Interstellar https://medium.com/interstellar/bulletproofs-pre-release-fcb1feb36d4b https://github.com/dalek-cryptography/bulletproofs

Stats

Segwit Usage
https://p2sh.info/dashboard/db/segwit-usage?orgId=1&from=1520707903632&to=1541443906392

Lightning Network Stats
https://bitcoinvisuals.com/lightning

Bitcoin Optech Discussion on Segwit Reduction
https://bitcoinops.org/en/newsletters/2018/11/06/

Security

SSH Tectia Vulnerability https://www.cvedetails.com/cve/CVE-2012-5975/

VirtualBox 0-day https://www.helpnetsecurity.com/2018/11/07/virtualbox-guest-to-host-escape-0day/