Mastercard acquires chain surveillance firm CipherTrace

https://www.mastercard.com/news/press/2021/september/mastercard-acquires-ciphertrace-to-enhance-crypto-capabilities/
archive: https://archive.ph/0iDIk

WSJ article conflates bitcoin use by Afghanis concerned about Taliban control with potential use by the Taliban themselves.

https://www.wsj.com/articles/growing-use-of-cryptocurrency-in-afghanistan-poses-security-concerns-11631275200
archive: https://archive.ph/qiInc

An Intro to Samourai Wallet - Week 2 - Spend Tools

- the second of a four part series focused on samourai wallet

https://bitcointv.com/videos/watch/e3bbfa70-bdc8-4751-833c-8a30594a4e5c

Rabbit Hole Recap

- bitcoin week in review

https://bitcointv.com/videos/watch/fc462633-f250-4263-8ff2-a7d3c37a7425

Introducing Summer Of Bitcoin

- Students get involved in and write code for projects matching their interests, earn bitcoin as stipend and put their summer break to good use. The project communities provide mentors who guide students through the entire summer, helping students learn about the community and contribute code.

https://blog.summerofbitcoin.org/issues/summer-of-bitcoin-liftoff-745630
archive: https://archive.ph/OcGHv

"The main monetary power of the digital dollar comes from the abolition of bank notes. If people can’t hoard physical money, it becomes much easier to cut interest rates far below zero; otherwise the zero rate on bank notes stuffed under the mattress looks attractive."

https://www.wsj.com/articles/digital-currencies-pave-way-for-deeply-negative-interest-rates-11631091581
archive: https://archive.ph/ZzBIr

Lend at Hodl Hodl: Security Report

- published on september 2nd but we missed it

https://medium.com/hodl-hodl/lend-at-hodl-hodl-security-report-3bf1a170d765
archive: https://archive.ph/yaxcI

El Salvador to exempt foreigner investors from tax on bitcoin income and price gains.

https://bitcoinmagazine.com/culture/el-salvador-to-exempt-foreigner-investors-from-tax-on-bitcoin-price-gains
archive: https://archive.md/D1KhI

Bitcoin Core v22.0 released

https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-September/019450.html
archive: https://archive.md/zO0XO

NSO Group iMessage Zero-Click Exploit Captured in the Wild: FORCEDENTRY

- Apple computers, watches, and phones are vulnerable
- Apple released a patch today, users should update ASAP

https://citizenlab.ca/2021/09/forcedentry-nso-group-imessage-zero-click-exploit-captured-in-the-wild/
archive: https://archive.md/eYSQ9

Human Rights Foundation To Gift 3.75 Bitcoin In Latest Round Of Developer Grants

https://bitcoinmagazine.com/business/human-rights-foundation-gift-bitcoin-developers-btc
archive: https://archive.md/ZbcEZ

El Salvador’s Chivo Wallet Saw 500K Registrations in the First Week

- 200 Chivo ATMs have been rolled out in El Salvador so far with an additional 50 ATMs in the US

https://bitcoinmagazine.com/markets/el-salvadors-chivo-wallet-500000-registrations-in-one-week
archive: https://archive.md/PHBBB

Bitcoin Optech #166

- new proposal for a covenant opcode
- request for feedback on implementing regular reorgs on signet
- Backup and security schemes

https://bitcoinops.org/en/newsletters/2021/09/15/
archive: https://archive.md/QTXuq

Notable Software Releases this Week

Bitcoin Core v22.0: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-September/019450.html

Mempool v2.2.2: https://github.com/mempool/mempool/releases/tag/v2.2.2

BlueWallet v6.2.5: https://github.com/BlueWallet/BlueWallet/releases/tag/v6.2.5

Btcpayserver v1.2.3: https://github.com/btcpayserver/btcpayserver/releases/tag/v1.2.3

Simple bitcoin wallet v2.0.12: https://github.com/btcontract/wallet/releases/tag/2.0.12

Zap android v0.5.1-beta: https://github.com/LN-Zap/zap-android/releases/tag/v0.5.1-beta

Umbrel v0.4.2: https://github.com/getumbrel/umbrel/releases/tag/v0.4.2

Nix-bitcoin v0.0.51: https://github.com/fort-nix/nix-bitcoin/releases/tag/v0.0.51

Citadel Dispatch e38 - improving your bitcoin mining setup with bigcohoo, @janbraiins, @coinheated, roninminer, upstreamdatainc, and @martybent

EPISODE: 38
BLOCK: 700568
PRICE: 2150 sats per dollar
TOPICS: improving your bitcoin mining setup, using custom firmware, immersion mining, stratum v2, hosted mining, coinbase rewards, upstreamdata black box

citadeldispatch.com/cd38

2020-2030: The Decade of Decentralisation

https://k3tan.com/2020-2030-the-decade-of-decentralisation
archive: https://archive.md/203p7

The Village and the Strongman: the Unlikely Story of Bitcoin and El Salvador

https://bitcoinmagazine.com/culture/the-polarity-of-bitcoin-in-el-salvador
archive: https://archive.md/Yem6d

An unworkable and arguably unconstitutional tax change tucked away in the infrastructure bill

- This provision requires recipients of digital assets to verify the sender’s personal info and record their Social Security number, nature of transaction, etc. Then, the recipient must sign under penalty of perjury and send a report to the government within 15 days.

https://www.coincenter.org/an-unworkable-and-arguably-unconstitutional-tax-change-tucked-away-in-the-infrastructure-bill/
archive: https://archive.md/wip/0BI6f

The Biden administration is expected to issue sanctions against exchanges, wallets, and traders used by ransomware gangs to convert ransom payments into fiat money.

https://www.bleepingcomputer.com/news/security/us-to-sanction-crypto-exchanges-wallets-used-by-ransomware/
archive: https://archive.md/2imh6