Bitcoin Q&A: How is Fungibility Tied to Privacy? Video

Fungibility is simply that it doesn't matter where any given unit of currency came from; one unit is worth as much as any other unit. For example, it doesn't matter, upon presentation, the euro you hold was stolen two transactions ago. No one can say "I will take that euro but not that euro." This was settled as a matter of law in the 16th century. The reason we have fungibility is because otherwise the currency wouldn't work; if every time you received a euro, you had to open a database and check the provenance, currency wouldn't work. Not just because you would have to track a database that was perfect and always updated, but because no euro would be worth one euro. Every euro would be weighted by how liquid it is, whether you can use it and it will be accepted. Fungibility is understanding by law, practice, and technology that every unit is treated as indistinguishable. Bitcoin is somewhat fungible. You can trace the provenance of every coin; by custom we don't do that but we are beginning to see some companies do it, which is a problem. If accounts start being frozen because of where bitcoins came from three transactions ago, that's a problem. Fungibility is tied to privacy and anonymity. There are systems being made where you can't tell the amount being transacted, who the sender and receiver are. Banning technology, especially open-source technology, because criminals use it only usually affects the people who aren't criminals: the innocent and the idiots. People should be able to protect their money from predators, from corporations, from tyrannical governments.

Chapters
0:00 What do you think about the fungibility of a bitcoin?
1:44 The reason we have fungibility in the currency is very very simple
3:37 Bitcoin is fungible ish
5:06 Criminals will use technology even if it's illegal
6:28 Fungibility is something we're fixing in bitcoin because what it does is it helps everybody

This is part of a talk which took place on October 11th 2016 during the Merkle Conference in Paris, France: http://www.merkleconference.com/

Watch the full talk here: https://youtu.be/SVdIbtWPYw4

RELATED:
How do we protect privacy when bitcoin is traceable? - https://youtu.be/PaNDHsix8cs
Privacy, Identity, Surveillance and Money - https://youtu.be/Vcvl5piGlYg
Why we should resist financial surveillance - https://youtu.be/KBFedmrDTQw
The future of digital money - Open Blockchains or Dystopia? - https://youtu.be/Z3oArEyen6M
Why KYC is dangerous - Microviolations of Privacy As Payment - https://youtu.be/rwF7nMWUjBs
The Lightning Network - https://youtu.be/vPnO9ExJ50A
Does MimbleWimble enhance privacy? - https://youtu.be/paOAgR3LuGI
Zcash in the cryptocurrency ecosystem - https://youtu.be/j8ILYfIm_G0
Who is Satoshi Nakamoto? - https://youtu.be/1iEv-gUZNx4

Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and well-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.

THE INTERNET OF MONEY, v1: https://www.amazon.co.uk/Internet-Money-collection-Andreas-Antonopoulos/dp/1537000454/ref=asap_bc?ie=UTF8

MASTERING BITCOIN: https://www.amazon.co.uk/Mastering-Bitcoin-Unlocking-Digital-Cryptocurrencies/dp/1449374042

[NEW] MASTERING BITCOIN, 2nd Edition: https://www.amazon.com/Mastering-Bitcoin-Programming-Open-Blockchain/dp/1491954388

Subscribe to the channel to learn more about Bitcoin & open blockchains!

If you want early-access to talks and a chance to participate in a monthly LIVE Q&A with Andreas, become a patron: https://www.patreon.com/aantonop

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

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