The World Crypto Network Podcast

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The Design of the Schnorr BIP ~ bitcoin-dev Mailinglist May 11, 2019

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Here are two BIP drafts that specify a proposal for a Taproot softfork. A number of ideas are included: * Taproot to make all outputs and cooperative spends indistinguishable from eachother. * Merkle branches to hide the unexecuted branches in scripts. * Schnorr signatures enable wallet software to use key aggregation/thresholds within one input. * Improvements to the signature hashing algorithm (including signing all input amounts). * Replacing OP_CHECKMULTISIG(VERIFY) with OP_CHECKSIGADD, to support batch validation. * Tagged hashing for domain separation (avoiding issues like CVE-2012-2459 in Merkle trees). * Extensibility through leaf versions, OP_SUCCESS opcodes, and upgradable pubkey types. The BIP drafts can be found here: * https://github.com/sipa/bips/blob/bip... specifies the transaction input spending rules. * https://github.com/sipa/bips/blob/bip... specifies the changes to Script inside such spends. * https://github.com/sipa/bips/blob/bip... is the Schnorr signature proposal that was discussed earlier on this list (See https://lists.linuxfoundation.org/pip...) https://lists.linuxfoundation.org/pip... https://twitter.com/pwuille

How to use ColdCard with Electrum May 11, 2019

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What is the Coinkite Coldcard? It's a Bitcoin hardware wallet, so it signs transactions and can be used offline. BIP39 based, which means you can backup the secret words onto paper, and have lots of sub-accounts and unlimited independent payment addresses. It knows how to understand transactions, so you can see what you are approving. The first PSBT (BIP 174) native wallet which can be used completely offline for it's entire lifecycle. https://coldcardwallet.com/ Electrum is... Safe, Your private keys are encrypted and never leave your computer. Forgiving, Your funds can be recovered from a secret phrase. Instant On, Electrum is fast, because it uses servers that index the Bitcoin blockchain. No Lock-In, You can export your private keys and use them in other Bitcoin clients. No Downtimes, Electrum servers are decentralized and redundant. Your wallet is never down. Proof Checking, Electrum Wallet verifies all the transactions in your history using SPV. Cold Storage, Keep your private keys offline, and go online with a watching-only wallet. Multisig, Split the permission to spend your coins between several wallets. Add-ons, Electrum supports third-party plugins: Multisig services, Hardware wallets, etc. https://electrum.org/ If you have learned something valuable, donate a couple sats to Max as a thank you note: 3Fe6dcwhkLnMo7c2FrkYduR5xJgo38dTTS https://tallyco.in/HillebrandMax Support the show by buying bitcoin on https://hodlhodl.com/join/ERCT

BItcoin Coffee Break - a quick look at the markets May 10, 2019

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Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/w... Check out the brand new http://WorldCryptoNetwork.com/ Follow WCN on Twitter: https://twitter.com/WorldCryptoNet Follow me on Twitter: https://twitter.com/BTCSocialist

The Bitcoin Group #200 - Binance Hacked - $6000+ - Congress vs. Bitcoin - Is Transparency Good May 10, 2019

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Donate to help send @MadBitcoins to Germany! https://tallyco.in/s/diziv1/ Donate Bitcoin: 3NqhJSAikoFiYmZm3ACGzdw9Lr86ZiLT7K Join our New Patreon: https://www.patreon.com/wcn Subscribe to the WCN Audio Podcast on Itunes: https://itunes.apple.com/us/podcast/w... Featuring… Dan Eve (https://twitter.com/cryptopoly) Ben Hannabuss (https://twitter.com/BTCSocialist) Max Hillebrand (https://twitter.com/HillebrandMax) and Thomas Hunt (https://twitter.com/MadBitcoins) THIS WEEK: Binance bitcoin hack: Over $40 million of cryptocurrency stolen https://www.cnbc.com/2019/05/08/binan... As Bitcoin Continues Its Climb, Top Crypto Assets Tease Breakouts - CoinDesk https://www.coindesk.com/as-bitcoin-c... Bitcoin-Bashing Democrat Calls for Blanket Ban on Cryptocurrencies https://www.ccn.com/bitcoin-democrat-... A Transparent U.S. Congress Helps Lobbyists and Hurts the Public https://www.foreignaffairs.com/articl... All of It Dark, All of It P2P: After the Binance Hack, Bitcoin Doesn't Cut It - CoinDesk https://www.coindesk.com/all-of-it-da... --------------------------- Check out our new website: https://www.worldcryptonetwork.com/ Please Subscribe to our Youtube Channel https://www.youtube.com/user/WorldCry...

BTCIOT - bitcoin mesh diary, part 2 May 10, 2019

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In the last diary entry, we focused on building a very simple mesh network with broadcast and unicast capabilities. https://www.youtube.com/watch?v=3DN4L... In this entry, I experiment with range and try and broadcast data across 1.2km of the bitcoin mesh network. The eventual goal is to be able to blanket my local village in bitcoin transaction data, to be able to send, receive and broadcast bitcoin transactions using a freely accessible, censorship-resistant, self-healing, self-organising mesh network. Contributors are very welcome! https://github.com/arcbtc/BItcoin-Mesh Espressif resources https://github.com/espressif/esp-mdf https://docs.espressif.com/projects/e... https://github.com/espressif/esp-mdf/... TCP server testing software https://play.google.com/store/apps/de... Follow me on Twitter: https://twitter.com/btcsocialist Hardware: -ESP32 -700mah lipo batteries

Bitcoin Talk Show #LIVE (May 8, 2019) - Binance Rollback Special Edition May 08, 2019

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Proof of Work - An interview with Not So Fast (Bitcoin Beyonder) May 08, 2019

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Follow NotSoFast https://twitter.com/notsofast Donate Bitcoin: 3NqhJSAikoFiYmZm3ACGzdw9Lr86ZiLT7K Join our New Patreon: https://www.patreon.com/wcn Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/w... Call Us LIVE! SKYPE WorldCryptoNetwork Check out the brand new http://WorldCryptoNetwork.com/ Follow WCN on Twitter: https://twitter.com/WorldCryptoNet

Introduction of the Schnorr BIP ~ bitcoin-dev Mailinglist May 08, 2019

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How to set up the different PINs of Cold Card Wallet May 07, 2019

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https://github.com/Coldcard/firmware/... If you have learned something valuable, donate a couple sats to Max as a thank you note: 3DqEnU6dW6bZesrVdThrrQjQKgN7dpY5vv https://tallyco.in/HillebrandMax Support the show by buying bitcoin on https://hodlhodl.com/join/ERCT Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/t... Check out the brand new http://WorldCryptoNetwork.com/ Find out more about Max https://towardsliberty.com Follow WCN on Twitter: https://twitter.com/WorldCryptoNet Follow Max on Twitter: https://twitter.com/HillebrandMax Contribute to Max’s Bachelor Thesis on Multi Signature in the Lightning Network: https://towardsliberty.com/multisig https://www.youtube.com/playlist?list...

Bitcoin Core v0.18, PSBT, Output Script Descriptors, Schnorr, Taproot, Bech32 ~ Bitcoin OpTech #45 May 07, 2019

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This week’s newsletter highlights some of the changes in the recently-released Bitcoin Core 0.18.0, briefly mentions two proposed BIPs, describes how bech32 addresses are forward compatible with expected protocol improvements, and summarizes notable changes in popular Bitcoin infrastructure projects. https://bitcoinops.org/en/newsletters... The Bitcoin Operations Technology Group (Optech) works to bring the best open source technologies and techniques to Bitcoin-using businesses in order to lower costs and improve customer experiences. An initial focus for the group is working with its member organizations to reduce transaction sizes and minimize the effect of subsequent transaction fee increases. We provide workshops, documentation, weekly newsletters, original research, case studies and announcements, and help facilitate improved relations between businesses and the open source community. https://bitcoinops.org/ If you have learned something valuable, donate a couple sats to Max as a thank you note: 3DqEnU6dW6bZesrVdThrrQjQKgN7dpY5vv https://tallyco.in/HillebrandMax Support the show by buying bitcoin on https://hodlhodl.com/join/ERCT Listen to WCN Audio Podcasts: https://itunes.apple.com/us/podcast/t... Check out the brand new http://WorldCryptoNetwork.com/ Find out more about Max https://towardsliberty.com Follow WCN on Twitter: https://twitter.com/WorldCryptoNet Follow Max on Twitter: https://twitter.com/HillebrandMax Contribute to Max’s Bachelor Thesis on Multi Signature in the Lightning Network: https://towardsliberty.com/multisig https://www.youtube.com/playlist?list...

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