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Home > The Chaincode Podcast > Pieter Wuille & Amiti Uttarwar and the P2P network - Episode 16
Podcast: The Chaincode Podcast
Episode:

Pieter Wuille & Amiti Uttarwar and the P2P network - Episode 16
Category: Technology
Duration: 00:41:24
Publish Date: 2021-10-26 18:15:58
Description:

P2P experts Pieter and Amiti chat about the P2P network.


In this episode they cover:

- 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.
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