P2P experts Pieter and Amiti chat about the P2P network.

anchor.fm

Pieter and Amiti discuss:

• AddrRelay high-level goals and constraints (1:15)
  • Very different than the goals of blocks and transactions
  • Marginal fee rate (4:35)
• Should we consider different transport layers? (5:40)
  • FIBRE Episode with Matt Corallo (7:40)
• The introduction of Addrman in 2012, PR #787 (8:55)
  • What existed before AddrMan and the evolution of DoS resistance.
• Eclipse Attack paper (14:55)
  • Sybil attack
  • Addrman and eclipse attacks wiki page
  • Anchors connections - PR #17428

• Connection exhaustion issue (19:50)

• Erlay (paper, BIP) (20:55)

• AddrRelay (23:15)
  • Limiting addr black holes - PR #21528
  • Rate limiting on address gossip in 22.0
    • Leaky bucket rate limiter (27:00)
• Address Spam (29:20)
  • Estimating the Node Degree of Public Peers and Detecting Sybil Peers Based on Address Messages in the Bitcoin P2P Network by Matthias Grundmann (31:35)
  • Coinscope paper (31:45)
  • TxProbe (32:00)

• Separate network stack (37:20)

• Fingerprint attacks (37:15)

• ASMAP (39:00)

Thanks to Caralie for the sound engineering.