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/bitcoi...

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:   / aantonop  

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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   / 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.

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MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9

Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations...

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-large...
Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomi...
Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang

MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK

Music: "Unbounded" by Orfan (  / orfan  )
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