Bitcoin Q&A: Node compatibility, Lightning, and incentives

What is the difference between reachable vs. non-reachable nodes? Will there be incentive schemes to run nodes? Are nodes that use older versions of the Bitcoin Core software backwards-compatible? What are the differences between Bitcoin and Lightning nodes and wallets?

These questions are from the MOOC 10.5 session and the December monthly subscriber session, which took place on October 5th and December 15th 2018 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:
Bitcoin, Lightning, and Streaming Money - https://youtu.be/gF_ZQ_eijPs
The Internet of Money: Five Years Later - https://youtu.be/6xIq0FdmsIA
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Wallets, nodes, and monetary sovereignty - https://youtu.be/8Hb3tUn8s4E
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Spam transactions and Child Pays For Parent - https://youtu.be/t3c0E4fkSNs
Orphan blocks and stuck transactions - https://youtu.be/MsdW0CTYwyY
Miners, pools, and consensus - https://youtu.be/JHz7LM4ncLw
Software distribution security - https://youtu.be/_V0vqy046YM
Protocol development security - https://youtu.be/4fsL5XWsTJ4
Geopolitics and state-sponsored attacks - https://youtu.be/htxPRTJLK-k
Sanctions and censorship resistance - https://youtu.be/DeXe5eGRl7E
Governance and social attack immunity - https://youtu.be/PjOHatoX6Fk
How to get people to care about security - https://youtu.be/Ji1lS9NMz1E

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.

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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/)