Etisha GargπŸ’œ Profile picture
Mar 19 β€’ 10 tweets β€’ 2 min read
What is Proof-Of-Stake? πŸ€”

Day03 of #100DaysOfWeb3

πŸ‘‡ A Thread
πŸ“Œ Why we require Proof-of-Stake consensus mechanism if we have Proof-of-Work?

If you have read my last tweet, you should have at least 1 answerπŸ˜‰

- Negative impact on the environment 🌍
- Expensive to be a miner πŸ’΅
- Scalability : Less transactions processed per second⏱
πŸ“Œ What is Proof-of-Stake?

- It does not have miners but instead validators
- Only who put their crypto on stake become validators
- There is no competition but a validator is picked in a pseudo-random way, who propose to add next block
- Other validators "attest" or checking it to be true
- Both type of validators are rewarded basis their stake
- If wrong block is proposed or attested, staked coins are slashed. Meaning loosing a portion of coins staked
πŸ“Œ What are the factors affecting validator selection?

- How long a validator has been staking
- Randomisation
- And, highly on amount staked. Higher amount staked, higher chances of getting selected
πŸ“Œ Does it mean that whoever stakes more will most of the time gets selected? Leading to centralisation?

Can you think or find answer to that? 🧐

If you can't find the answer, let me know in the comments. I'll answer to that πŸ‘»
πŸ“Œ What is the benefit of it?

- Incentivised mechanism - More participation for becoming validators
- Fear of loosing the crypto staked indirectly forces the validators to act in the network’s best interests
- Increased scalability
- Don't require bigger machinery
πŸ“Œ Are there any cons of Proof-of-Stake?

- It's relatively less tried and tested than Proof-of-Work
- Person need to have a minimum number of crypto coin to become a validator
Congratulations!πŸ₯³ Now you know about the two major consensus mechanisms.

What will the next thread be on? It'll be on "What is web3?"🌐
Thank You for reading! If you liked this thread, follow me @GargEtisha and retweet this tweet so that it can reach to maximum people. Thank you

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More from @GargEtisha

Mar 20
What is Web3?🌐

Day04 of #100DaysOfWeb3

πŸ‘‡ A Thread
πŸ“Œ What is Web?

- World Wide Web commonly known as Web is something built on top of Internet.
- Collection of documents that can be requested by a browser from a server
- Each document can accessed by a web address
πŸ“Œ Why is it suffixed with 3? Are there any 1 and 2 as well?

Yes there areβœ…

Web1
- Static web pages
- Read-only : Not Interactive
- More consumers less creators

Web2
- Interactive and social web
- Read/write
- Gave birth to more creators
- Largely handled by big tech firms
Read 8 tweets
Mar 18
What is the consensus mechanism : Proof-Of-Work?

Day02 of #100DaysOfWeb3

πŸ‘‡A Thread
πŸ“Œ What is consensus?
Let's understand it with an example :
If your family is planning to buy a car and if more than half of the persons in the family agree upon a certain model of the car, then we say we have reached a consensus or in simple terms agreement upon something.
πŸ“Œ What is blockchain consensus mechanism?
Since blockchain is a public distributed ledger and an agreement is required from every node in the network to make any addition to the blockchain, it is nothing but a certain procedure to reach an agreement upon current state of network
Read 9 tweets
Mar 17
What is Blockchain?β›“

Day01 of #100DaysOfWeb3

A Thread πŸ‘‡
πŸ“ŒWhy was this technology even introduced?
- To remove power from central authority
- To prevent frauds
- To have more transparency
- To have immutable records
πŸ“Œ When and how did it all start?
This technology was introduced back in 2008 by an anonymous person(or group) called as "Satoshi Nakamoto"
Read 11 tweets

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