Martin Zumsande joins us to tell us about the address spam in the summer of 2021 and his interests in AddrRelay and Bitcoin Core development.
We discuss with Martin:
- Martin’s background (1:38)
- Getting interested in Bitcoin (2:45)
- How to approach P2P (3:55)
- The network is changing (7:30)
- What’s the purpose of the Address Manager (AddrMan)? (9:33)
- Peering differences to LN nodes (11:00)
- Ethan Heilman’s talk on Network Partitioning Attacks (12:10)
- Addrman and eclipse attacks
- AddrRelay and the role of node addresses (12:55)
- Getting connected to the network (13:37)
- Self-announcements (14:25)
- Address spam in summer 2021 and peer distribution (15:05)
- Correction: The peer would not get addresses-divided-by-peers addresses, but 2×addresses-divided-by-peers addresses as the addresses get forwarded to two peers each. (18:00)
- Estimating the Node Degree of Public Peers and Detecting Sybil Peers Based on Address Messages in the Bitcoin P2P Network by Matthias Grundmann (19:30)
- Simulating the network (20:15)
- Requesting addresses from peers (21:45)
- Walking through first connection of a node (25:25)
- Coinscope paper (27:10)
- Being a Bitcoin Core contributor (27:50)
Thanks to Emily Kee for the sound engineering.