Lecture 15: Proof-of-Stake

แชร์
ฝัง
  • เผยแพร่เมื่อ 20 พ.ค. 2024
  • Proof-of-Stake
    - Proof-of-stake vs Proof-of-work
    - “Nothing at stake” issue and slashing
    - Benefits and Drawbacks of Proof-of-stake

ความคิดเห็น • 6

  • @sirsluginston
    @sirsluginston 3 ปีที่แล้ว +2

    Another great in-depth video

  • @PedroOjeda
    @PedroOjeda 3 ปีที่แล้ว +3

    Thank you so much! What a great video.

  • @Jasonmnicholls
    @Jasonmnicholls ปีที่แล้ว +1

    I love this guy

  • @explicacaoonline
    @explicacaoonline 2 ปีที่แล้ว

    thank you so much for the next_block_producer explanation!

  • @cesarsanchez5576
    @cesarsanchez5576 2 ปีที่แล้ว +3

    My Notes:
    5:20 Simple Proof-of-Stake Mechanism
    * In Proof-of-Stake (PoS) we calculate the next block producer
    * next_block_producer = hash_of prev_block % (total_amount_of_coins)
    * The more coins you have the more chances you have to be the next block producer
    * Problem 1: PoS is very dependant on the selected producer node, what if it gets offline?
    * Problem 2: There’s no right way to calculate the canonical chain
    * Problem 3: Predictability. “If I know Producer C will produce next block, I can try to DDOS them”
    * Nothing At Stake Problem: There’s no way to punish someone to try to do a Double-Spend attack
    * Solution: Having all selected producers watching each other through “slashing”

    • @Jasonmnicholls
      @Jasonmnicholls ปีที่แล้ว

      Total newbie here, setting up small mining operation on Isle of Wight. Does that mean if you hold a fair amount of ETH, but just 16 GPUs that you might win against a much larger farm?