Episode 13: Tor v3 Support in Bitcoin Core 0.21

Bitcoin Explained - The Technical Side of Bitcoin

Content provided by Van Wirdum Sjorsnado. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Van Wirdum Sjorsnado or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.

4+ y ago 18:48

MP3•Episode home

Bitcoin Core 0.21 will support Tor v3 addresses. Aaron and Sjors explain what this means and why it matters, and also discuss how new Bitcoin nodes find existing Bitcoin nodes when they bootstrap to the network.

Helpful Links:

* Tor V3 (onion) address support in Bitcoin Core: https://github.com/bitcoin/bitcoin/pull/19954

* the ADDRv2 message added in BIP155 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 - intro

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.

Support the Show!

Follow Bitcoin Magazine on Twitter @BitcoinMagazine

Follow Aaron van Wirdum @AaronvanW

Follow Sjors Provoost @provoost

Follow Ruben Somsen @SomsenRuben

Music:

Song Title: Segwit Sounds

By: The NakamoTones

Album: Citadel Music

Produced by: Bitcoin Audio

98 episodes

#Bitcoinbtcdevelopmenttechnicaltechnology #Tech #Van Wirdum Sjorsnado