Bitcoin Core 0.21 Supports Tor V3: The Van Wirdum Sjorsnado

On this episode of The Van Wirdum Sjorsnado, Aaron and Sjors discuss one of the biggest releases in Bitcoin's history: Bitcoin Core 0.21. Specifically, they dive into how this release will add support for Tor V3 addresses, an important development for preserving privacy, and explain what this means and why it matters. The pair also discuss how new Bitcoin nodes find existing Bitcoin nodes when they bootsrap to the network.

Helpful links for following along in the episode:

* Tor V3 (Onion) address support in Bitcoin Core: https://github.com/bitcoin/bitcoin/pull/19954
* The ADDRv2 message added in BIP 155 that allows nodes to gossip those new Tor addresses: https://github.com/bitcoin/bips/blob/master/bip-0155.mediawiki#Specification
* DNS seeds and the bootstrap problem: https://stackoverflow.com/questions/41673073/how-does-the-bitcoin-client-determine-the-first-ip-address-to-connect

Timestamps:
00:00 - 00:34: Introduction 
1:02 - 2:10: How Tor works
2:25 - 3:03: Benefits of running a Bitcoin node behind Tor 
7:12 - 8:19: Discussing how Bitcoin node gossip addresses
8:56 - 10:40: Explaining how DNS works 
12:30 - 13:30: DNS is storing list of bitcoin nodes. 

Follow Aaron van Wirdum on Twitter: https://twitter.com/AaronvanW
Follow Sjors Provoost on Twitter: @provoost

Music:
Title: Segwit Sounds
Artist: The NakamoTones
Album: Citadel Music
Producer: Bitcoin Audio

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