TL;DR: Crypto Dev Digest (CDD) is a regular column, documenting cryptocurrency development. We highlight the projects and persons working under the hood to bring peer-to-peer, electronic cash to the world. Hot off the presses, Square and Blockstream seemingly get incestuous in a latest hiring. Schnorr signatures continue to gain traction. Badger Wallet goes mobile. Bitcoin Cash node implementations are rocking. BIP70 shows progress, and bchjs.cash launches.

Square and Blockstream Get Incestuous

Square Crypto, a cryptocurrency-dedicated division of payments application Square Cash App, announced hiring Matt Corallo, most recently of Chaincode Labs Inc. Corallo is the first official crypto dev hire by the company, and, to some observers, his employment removes any lingering doubts about a connection between Jack Dorsey, CEO of both Twitter and Square, and his companies’ cozy relationship with the likes of Blockstream.

BIG NEWS: Please welcome @TheBlueMatt to Square Crypto. Woo! THINGS ARE HEATING UP EVERYBODY GET IN HERE LET’S PARTY 🌀🔥🌀🔥🌀🔥 *A lone figure watches from afar, their haunched shape a dark smudge against the gathering gray sky… Gary?* — Square Crypto (@sqcrypto) August 20, 2019

Blockstream is a BTC-focused development company, of which Corallo was a co-founder (he hasn’t formally worked at Blockstream for years, however). Corallo fairly recently described his feelings about the company’s BTC culture as, “I’m honestly pretty embarrassed to have helped cofound @Blockstream,” in reference to a spat he had with Chief Strategy Officer Samson Mow.

That aside, Corallo has maintained ties to developers at Blockstream, and is widely respected in circles within that milieu regardless of personality differences with its marketing division. Placed in context, Corallo’s hiring is one more link between Dorsey, Twitter, and his BTC advocacy … all of which are becoming blurred.

Latest bitcoin-ts Includes Schnorr Signature Support

The latest version of bitcoin-ts now includes Schnorr signature support:https://t.co/OniBbn1ZZe — Jason Dreyzehner (@bitjson) August 15, 2019

Read a fuller explanation here.

Badger Wallet Mobile Live for iOS, Android

. @BadgerWallet Mobile v0.10.3 is live for iOS and Android! – React Native 0.60 upgrade

* Smaller builds

* Faster app

– Improved history screen

* Detects self send

* Basic payout detection

– SLP unknown types un-spendable Great work @SpicyyyPete!https://t.co/8bLbBJQKTU — Gabriel Cardona (@cgcardona) August 15, 2019

Bitcoin ABC 0.19.12 on Docker Hub, AUR: 10,000+ Downloads

Just broke 10,000 downloads! Let me know if you guys need more features included in the Docker image! — Josh Ellithorpe (@zquestz) August 16, 2019

Leveraging BIP70

Are any BCH devs up on #WebRTC? Leveraging BIP70, which is already supported by much of the BCH ecosystem, this could allow "direct" call and response between buyer and seller. No need for a BIP70 server. Could allow a totally new UI where merchant scans YOUR QR code instead. https://t.co/2PPxfLjvRp — Ⓥin Ⓐrmani (@vinarmani) August 17, 2019

Looks like there’s been some recent activity.

Meet bchjs.cash: Portable Hard-Drive with BCH Blockchain, Indexers Pre-Synced

I'm excited to launch https://t.co/DooWCX9Ggm: A portable hard-drive with the BCH blockchain and several indexers pre-synced. Everything to run https://t.co/Zs7mKG743V and BITBOX locally. Telegram channel: https://t.co/bFiAhkgY4N https://t.co/RTr4s7aGyl — Chris Troutner (@christroutner) August 20, 2019

Bitcoin Verde Indexes, Validates SLP Transactions

DISCLOSURE: The author holds cryptocurrency as part of his financial portfolio, including BCH.

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