Socratic Seminar 92

RSVPs now closed.

Please join us at Dragon Energy Night II (pw: GIGAMEGS) for the after-party. https://www.eventbrite.com/e/dragon-energy-night-ii-registration-60857262711

Presentation:
Anthony Towns - SIGHASH_ANYPREVOUT

Discussion topics:
ML and Bitcoin Optech
Taproot proposal mailing list post
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-May/016914.html

Proposal for Taproot BIP
https://github.com/sipa/bips/blob/bip-schnorr/bip-taproot.mediawiki

Proposal for Tapscript BIP
https://github.com/sipa/bips/blob/bip-schnorr/bip-tapscript.mediawiki

Proposal for Schnorr Signature BIP
https://github.com/sipa/bips/blob/bip-schnorr/bip-schnorr.mediawiki

Optech explanation of Taproot
https://bitcoinops.org/en/newsletters/2019/05/14/#overview-of-the-taproot--tapscript-proposed-bips

Bitcoin Core 0.18.0 released
https://lists.linuxfoundation.org/pipermail/bitcoin-core-dev/2019-May/000078.html

Network Data
Transactions per day near ATH
https://bitinfocharts.com/comparison/bitcoin-transactions.html

96 participant CoinJoin
https://twitter.com/nopara73/status/1121186039622770688

CoinJoins as a percentage of all Bitcoin payments have tripled to 4.09% over the past year
https://longhash.com/news/coinjoins-as-a-percentage-of-all-bitcoin-payments-have-tripled-to-409-over-the-past-year

Non-segwit blocks
https://twitter.com/murchandamus/status/1121525695555883009

BCH spam
https://www.theblockcrypto.com/tiny/one-bitcoin-cash-address-is-responsible-for-nearly-50-percent-of-the-networks-transactions-in-the-past-month/

Unilateral closes and breach remedy transactions
https://github.com/ksedgwic/lightning-channel-scanner/blob/master/README.md

CVEs and Research
Research
The multiparty symmetrical Schnorr signature scriptless script shuffle
https://joinmarket.me/blog/blog/multiparty-s6/

Scriptless script shuffle variation
https://old.reddit.com/r/Bitcoin/comments/biruxq/multiparty_s6_the_multiparty_symmetrical_schnorr/em3zilr/

Russel O'Connor on Simplicity
https://player.fm/series/hashing-it-out/hashing-it-out-44-blockstream-russell-oconnor

Christian Decker on future of LN
https://www.whatbitcoindid.com/wbd092-christian-decker

InfoSec
A Timeline of the most infamous 51% attacks in crypto history
https://blog.honeyminer.com/timeline-of-51-attacks/

Electrum botnet steals $4.6 million
https://bitcoinist.com/electrum-botnet-steals-4-6-million-bitcoin-cryptocurrencies/

7000 BTC Binance hack
https://www.coindesk.com/hackers-steal-40-7-million-in-bitcoin-from-crypto-exchange-binance

Zerocoin Inflation Vulnerability
https://zcoin.io/cryptographic-description-of-zerocoin-attack/

Tor 0.4.0.5
https://blog.torproject.org/new-release-tor-0405

Pull Requests
Bitcoin Core
Rewrite DoS interface between validation and net_processing #15141
https://github.com/bitcoin/bitcoin/pull/15141

Make sending to future native witness outputs standard #15846
https://github.com/bitcoin/bitcoin/pull/15846

Eclair
Add simple plugin support #927
https://github.com/ACINQ/eclair/pull/927

Eclair plugin documentation
https://github.com/ACINQ/eclair#plugins

Live channel database backup #951
https://github.com/ACINQ/eclair/pull/951

The month in Lapps
Tools/Wallets
Lightning Labs desktop app released on mainnet
https://blog.lightning.engineering/announcement/2019/04/23/mainnet-app.html

c-lightning plugins
https://github.com/lightningd/plugins

Apps
Final Message, a dead man's switch powered by lightning payments
https://finalmessage.io/

TipHub - non custodial tipping for open source
https://tiphub.io/

Lightning Agar - Eat players to earn sats
https://agar.satoshis.games/

Misc.
Magical Crypto Conference Transcripts
http://diyhpl.us/wiki/transcripts/magicalcryptoconference/2019/

Programmers solve MIT’s 20-year-old cryptographic puzzle
https://www.csail.mit.edu/news/programmers-solve-mits-20-year-old-cryptographic-puzzle

Gotenna w/ Blockstream Satellite
https://blockstream.com/2019/05/11/gotenna-satellite-api-integration/