2019-02-20 Meeting notes: validation and Casper

Resources

• validator incentives and Casper

• Validation overview published related to the validator sale in 2018

• Rchain consensus specification

• Meeting recording

• 2019-02-14 Meeting notes: validation and Casper

Lazy validator hedge (challenge protocol)

• DECISION We will implement a lazy validator challenge protocol

  • Request to table to discuss the design at another time

• Estimated a week’s worth of work

• Discussion of liveness faults challenge

  • Idea 24 hours to respond

Paragraph 5 : “Transactions signed to a particular validator”

• This is not desirable

  • Risk of pushing out other validators “popularity contest”

• Ideal is a gossip network so that it doesn’t matter who you deploy to. There is no special relationship between client and validator

• There is not a gossip network for Mercury. We want to mitigate the risk of preventing being able to implement it later

• DECISIONS

  • remove “transactions are signed to a particular validator”

  • Go back to a stake-weighted proposal for distributing fees

Paragraph 6: “all validators are taxed”

• DECISION remove tax no longer needed

Discussion of attack related to asymmetry of distribution of fees

• Concern is over the lifetime of Mercury will we see a serious threat to the network?

  • Risk of centralizing block proposing

  • Creating an edge for some validators

Next steps

• We will meet again to continue discussion