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# System prepended metadata

title: Podcast Questions

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# Podcast Questions

## Sipa Episode

- Addresses 
    - What are the goals and constraints of address relay?
        - Goals: POV of node, POV of network 
    - What are the goals and constraints of the AddrMan?
    - You introduced addrman V1 in 2012. What was the intention back then & how has your perception of the design goals evolved since then?
        - OG: #787
    - Can you talk about the research that was done in 2015 & the corresponding improvements to bitcoin core?
    - In v22 you added a rate limit to address gossip. Can you tell us about the mechanism?
        - Did you consider any other rate-limiting techniques?
    - What do you make of the address spam we saw on the network? Do you think the timing was coincidental?




- Tx Request Overhaul (#19988, in v21)
    - What are the goals and constraints of transaction relay? 
    - What is it? 
        - How were transaction requests handled previously?
        - What is a boost multi-index?
    - What were some interesting nuances that came up when building this? 
    - How did you approach testing?

