Bitcoin Q&A: Coin Management and Change

GET SPECIAL DISCOUNT ON YOUR DEALS TECHBRIEFINGZONE.COM/OFFERS Original video published date: 2019-04-23 Original video description: How do I construct a transaction with multiple inputs? Which wallets offer coin selection / management features? Explain the concept of change. Take a look at Chapter 6 of 'Mastering Bitcoin': https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch06.asciidoc Chapters 0:00 How can I manually construct a transaction with multiple inputs, or is this done by the blockchain? 1:48 I still don't quite understand the concept of change. If Satoshi wanted to send ten bitcoin to Hal Finney, why was it a transaction of fifty bitcoin with forty bitcoin as change? Why is it not a single transaction of ten bitcoin? 6:09 Transaction outputs can only exist in one of two states These questions are from the third and sixth session of MOOC 11, which took place on February 14th and March 7th 2019, respectively. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop RELATED: How do I choose a wallet? - https://youtu.be/tN6b62sEpsY Secure, tiered storage system - https://youtu.be/uYIVuZgN95M Hardware wallets and attack surface - https://youtu.be/8mpDcBfNA7g Setting up secure storage devices - https://youtu.be/wZ9LxLLvfXc What is a private key? - https://youtu.be/xxfUpIV9wRI How do mneomonic seeds work? - https://youtu.be/wWCIQFNf_8g Using paper wallets - https://youtu.be/cKehFazo8Pw Wallet design and mass adoption - https://youtu.be/WbZX6BDZJHc Cryptographic primitives - https://youtu.be/RIckQ6RBt5E Public keys vs. addresses - https://youtu.be/8es3qQWkEiU The lifecycle of a transaction - https://youtu.be/kpnTb6NWih0 Re-using addresses - https://youtu.be/4A3urPFkx8g Passphrases and seed storage - https://youtu.be/jP7pEgBpaO0 Coin selection and privacy - https://youtu.be/3Ck683CQGAQ Multi-signature and distributed storage - https://youtu.be/cAP2u6w_1-k Is quantum computing a threat? - https://youtu.be/wlzJyp3Qm7s The 21 million supply cap - https://youtu.be/AABkJ55Zz3A Denominations and voluntary burning - https://youtu.be/tqL0ehMRxbk Divisibility and deflationary monetary policy - https://youtu.be/xhLgxX_wU6E Inflation and debt systems - https://youtu.be/6CwxHiKf27A How to get people to care about security - https://youtu.be/Ji1lS9NMz1E Honest nodes and consensus - https://youtu.be/KAhY2ymI-tg Why running a node is important - https://youtu.be/oX0Yrv-6jVs Wallets, nodes, and monetary sovereignty - https://youtu.be/8Hb3tUn8s4E Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop https://twitter.com/aantonop Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos! MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9 Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations-of-mastering-bitcoin/ THE INTERNET OF MONEY, v1: https://amzn.to/2ykmXFs THE INTERNET OF MONEY, v2: https://amzn.to/2IIG5BJ Translations of THE INTERNET OF MONEY: Spanish, 'Internet del Dinero' (v1) - https://amzn.to/2yoaTTq French, 'L'internet de l'argent' (v1) - https://www.amazon.fr/Linternet-largent-Andreas-M-Antonopoulos/dp/2856083390 Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomika-i-biznes/korporativnye-finansy-bankovskoe-delo/internet-deneg Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/) Join the aantonop Channel: https://aantonop.io/joinaantonopyt Original video link: https://www.youtube.com/watch?v=fjY3wo5UNnw