🔲The Beacon Chain thread.

The Beacon Chain is an exciting new feature for Ethereum.

You can think about it as a lighthouse for the Ethereum Blockchain.

It will introduce:
- staking
- shard chains

Let's see the key concepts.

Web 3 threads. Beacon Chain
Table of Contents

- Definition
- What will the Beacon Chain do?
- Beacon Chain & staking
- Beacon Chain & Shard Chains
- Connection with Mainnet
- Shard Chains release
- Beacon Chain's shipping date
Definition

The Beacon Chain is a brand-new, proof-of-stake blockchain.

You can think of the Beacon Chain as the main spine that will support the new Ethereum 2 system

It will coordinate all the concurrent actors.
What will the Beacon Chain do?

The Beacon Chain will introduce 2 new features:

- staking: proof-of-stake consensus working with Validators
- Shard Chains: 64 new blockchain that will support the system

Let's see them below.
Beacon Chain & staking

The Beacon Chain will introduce proof-of-stake.

It will involve participants staking ETH to activate validator software. and becoming Validators.

Validators will:
- process transactions.
- create new blocks.

✅Becoming a validator is easier than mining
Beacon Chain & Shard Chains

Shard Chains will be introduced to the network.

Shard Chains will:
- increase network capacity.
- improve transaction speed.

The Beacon Chain will randomly assign stakers to validate shard chains and make the chain secure.
Connection with Mainnet

The Beacon Chain will initially exist separately from the Mainnet.

But at some point, they will be connected.

The plan is to MERGE Mainnet into the proof-of-stake system that's controlled and coordinated by the Beacon Chain.

🗓 Planned for Q2 2022
Shard Chains release

Shard chains can only safely enter the Ethereum ecosystem with a PoS consensus mechanism in place.

The Beacon Chain will introduce staking, paving the way for the shard chain upgrade to follow.

🗓 Planned for 2023
Beacon Chain's shipping date

✅The Beacon Chain has ALREADY been shipped!

Date: December 1, 2020
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More from @FrancescoCiull4

Jan 29
🔲The Merge thread.

In 2022, is planned one of the most important moments for Ethereum: the Merge.

The Beacon Chain will merge into the Mainnet.

And we complain about Git conflicts.

Ethereum enthusiasts are waiting for it as Marvel fans were waiting for "Avenger Endgame".

Web3 thread. The Merge. a b...
Table of Contents

What is the Merge?
Merging with Mainnet
After the merge
When?

What is the Merge?

The Mainnet currently works with the proof-of-work consensus.

The Beacon Chain, already shipped in 2020, runs in parallel using proof-of-stake.

The MERGE is when these two systems will collapse in a single one.
Read 7 tweets
Jan 27
🔲Shard Chains thread.

Today's thread was the most exciting one so far.

Shard chains could decide the future of the Ethereum blockchain (in a positive or negative sense).

Here are the concepts of sharding.

Web3 threads. Shard Chains
Table of Contents

- What is sharding?
- Basic concepts
- When is sharding shipping?
- Everyone can run a node
- Sharding & Validators
- More devices => More security
- Shards & Beacon Chain
- Shards & The Merge
What is sharding?

"Sharding" is the process of splitting a DB horizontally to spread the load.

For Ethereum, sharding will create new chains (the shards)

Sharding will:
📉 reduce network congestion
📈 increase transactions per second

This is not just for scalability
Read 10 tweets
Jan 26
🔲Proof of Stake thread.

After the proof of work thread, the proof of stake thread is a must.

This is the new consensus that will be used by Ethereum.

Many concepts will require a dedicated thread in the future

Image
Table of Contents:

- What is Proof of Stake (POS)
- POS & Validators
- Attesting
- Sharded Chains
- Beacon chain
- How validation will work
- Committee
- Epoch
- Crosslink
- Finality
- Security
- POS Pros
- POS Cons
What is Proof of Stake (POS)

Users stake their ETH to become VALIDATORS.

Validators responsibilities:
- ordering transactions
- creating new blocks

Improvements:
✅more energy efficiency
✅reduced HW requirements
✅more centralization immunity
✅more nodes
✅shard chains
Read 16 tweets
Jan 25
Ethereum Proof of Work thread.

Consensus (Key Concept): the fault-tolerant mechanism used to agree on account balances and the order of transactions.

The current consensus mechanism used by the Ethereum blockchain is proof of work.

Let's see the key concepts and pros/cons.

📃Table of Contents

- Intro
- What is PoW
- PoW and Mining
- The work in PoW
- PoW and security
- 51% Rule
- PoW Finality
- PoW Energy USage
- Pow Pros
- PoW Cons
Intro

Ethereum uses a consensus protocol called Proof-of-work (PoW).

This allows the nodes of the Ethereum network to:
- agree on the state of the recorded info in the blockchain
- prevents some economic attacks.

In the future, it will be replaced with Proof-of-Stack.
Read 15 tweets
Jan 24
Ethereum Networks thread.

Key concept: Ethereum is not a network, but a protocol that can be implemented to create different networks.

The most famous, mainnet (used for Ether, the cryptocurrency), is one of them.

What's the difference between Public and Private networks?
Table of Contents

- Intro
- Public and Private Networks
- Mainnet
- Testnet
- Testnet Faucets
- List of EVM networks
- Private Development Networks
- Private Consortium Networks
Intro

Ethereum is a protocol: there are many independent networks that implement this protocol

Networks are different Eth environments to:
- develop
- testing
- prod

Your account will work across the different networks but your balance/transaction history won't carry over.
Read 11 tweets
Jan 23
🔲Ethereum Nodes as a Service thread.

Yesterday we have seen how to spin up your won node.

But what if we don't have time to do that, or we want to rely on an existing infrastructure?

Many different services exist that can do this for us.

Let's see this in 1 min.
Ethereum node services
Table of Contents:

- Intro
- Most common features
- Pros of Node Services
- Cons of Node Services
- Popular Node Services
Intro

Running your own Ethereum node can be challenging.

This is especially true if you are new to the Web3 world.

Node services run optimized node infrastructures, so you can focus on developing the app itself.

⚠Node services should NEVER store your private keys/info.
Read 9 tweets

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