Layer 1 & Layer 2 Blockchains

Layer 1 (Main chain)
They are an independent set of solutions for the base protocol and for the core system and the main architecture.

Layer 2
Secondary Blockchains that operate ON TOP of Layer 1 blockchains, to improve the Layer 1 efficiency.

web3 threads - layer 1 and layer 2 blockchains
Layer 1 examples:
Ethereum
Bitcoin
Solana
Cosmos
Tron
Near
Polkadot
Avalanche
Tezos
Celo
Fantom
Algorand

Layer 2 Examples:
Zk Sync
Starknet
Polygon
Arbitrum
Optimism
Bitcoin's Lightning Network

🏁Conclusion

Ethereum @ethereum

"Ethereum is the community-run technology powering the cryptocurrency ether (ETH) and thousands of decentralized applications."

ethereum.org
Bitcoin @Bitcoin

"Bitcoin is an innovative payment network and a new kind of money."

bitcoin.org
Solana @solana

"Solana is a decentralized blockchain built to enable scalable, user-friendly apps for the world."

solana.com
Cosmos @cosmos

"Cosmos is an ever-expanding ecosystem of interconnected apps and services, built for a decentralized future."

cosmos.network
Tron @trondao

"TRON is a decentralized, open-source blockchain-based operating system with smart contract functionality, proof-of-stake principles as its consensus algorithm and a cryptocurrency native to the system, known as Tronix."

tron.network
Near @NEARProtocol

"Through simple, secure, and scalable technology, NEAR empowers millions to invent and explore new experiences. Business, creativity, and community are being reimagined for a more sustainable and inclusive future."

near.org
Polkadot @Polkadot

"Polkadot is an open source, blockchain platform and cryptocurrency that allows for distributed computing. The network uses a proof of stake consensus algorithm."

polkadot.network
Avalanche @avalancheavax

"Avalanche is a decentralized, open-source blockchain with smart contract functionality. AVAX is the native cryptocurrency of the platform."

avax.network
Tezos @tezos

"Tezos is a decentralized open-source blockchain that can execute peer-to-peer transactions and serve as a platform for deploying smart contracts."

tezos.com
Celo @CeloOrg

"Celo is global payments infrastructure that makes financial tools accessible to anyone with a mobile phone."

celo.org
Fantom @FantomFDN

"Fantom is a highly scalable blockchain platform for DeFi, crypto dApps, and enterprise applications."

fantom.foundation
Algorand @Algorand

Algorand is a blockchain cryptocurrency protocol that aims to be scalable. The Algorand platform supports smart contracts, and its consensus algorithm is based on proof of stake and a Byzantine agreement protocol.

algorand.com
ZkSync @zksync

"zkSync is a ZK rollup solving Ethereum scalability with zero security compromises."

zksync.io
Starknet @StarkWareLtd

"StarkNet is a permissionless decentralized ZK-Rollup. It operates as an L2 network over Ethereum, enabling any dApp to achieve unlimited scale for its computation – without compromising Ethereum's composability and security."

starkware.co/starknet/
Polygon @0xPolygon

"Polygon believes in Web3 for all. Polygon is a decentralized Ethereum scaling platform that enables developers to build scalable user-friendly dApps with low transaction fees without ever sacrificing on security."

polygon.technology
Arbitrum @OffchainLabs

"The ideal scaling solution for many DeFi apps Arbitrum Rollup can scale any Ethereum contract."

offchainlabs.com
Bitcoin Lighting Network

lightning.network
🏁Conclusion

As you can see, each blockchain literally opens up a world, and the list is certainly incomplete.

It will be interesting to see if in the future the number of blockchains will increase or decrease, as it was for search engines in the '90s.

We will see.
I am posting one Web3 related content every day for 100 days.

Here is the GitHub repository with all the poss day by day.

I am at day 67 and the repository is close to 200 stars
github.com/FrancescoXX/10…
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More from @FrancescoCiull4

Feb 24
11 Fundamental Docker Definitions in plain English for:

🏠Docker host
⚙️Docker engine
🖥️ Docker client
😈Docker daemon
📝Dockerfile
📦Docker image
🐳Docker container
🔗Docker network
💾Docker volumes
🐙Docker compose
🪣 Docker registry

docker threads. 11 definitions
🏠Docker (Active) Host

A computer with Docker installed and the daemon running.

It can process Docker and non-Docker workloads.
⚙️Docker Engine

A Client-Server application.
It has 3 components:

- CLI: A command-line interface client.

- daemon process: A server that is a type of long-running program.

- Rest API: to specify interfaces that programs can use to talk and interact with the daemon.
Read 14 tweets
Feb 24
Web3 Stack - February 2022

Layer 1
· Ethereum
· Solana
· Polkadot
· Cardano

Layer 2
· Polygon
· Zk Sync
· Optimism
· Arbitrium

SDK
· Thirdweb
· Moralis

Oracles
· Chainlink

Node Providers
· Alchemy
· Infura
· Quicknode

File Storage
· IPFS
· Arweave
· Filecoin

Dev Env
...
Web3 Stack - February 2022....
Dev Env
· Hardhat
· Truffle
· Brownie
· Remix IDE

Identity
· Wallet Connect
· Metamask
· Phantom

Indexing
· The Graph

Client SDK
· Web3.js
· Ether.js

Languages
· Solidity
· Rust
· JavaScript
· Python
GitHub repositories with all the Web3 posts on Twitter. 195 stars.
github.com/FrancescoXX/10…
Read 4 tweets
Feb 22
Why run a local node? thread.

There are many valid node services, like Alchemy.

But in some cases, you want to run your own node.

Here are the main reasons accordingly to the official Ethereum docs.

Image
Table of Contents

🤝Participate
💥Decentralization
🕵️Privacy & Security
⛔Censorship Resistance
📢Voice your choice
👑Sovereignty
🏁Conclusion

🤝Participate

By running a node you become part of a global movement to decentralize control and power over a world of information.

If you're a holder, you can bring value to your ETH by supporting the decentralization of the network.
Read 11 tweets
Feb 20
Public vs private Ethereum thread

The Ethereum blockchain can run on the public network (Mainnet).

There are pros and cons for both.

Let's see them briefly

web3 threads. public vs private Ethereum
Table of Contents

Intro
Security
Performance
Cost
Node Permissioning
Privacy
Intro

🧑‍🤝‍🧑Public
Apps built on the Mainnet are able to interoperate, similarly to how apps can cooperate on Internet, using the potential of decentralized blockchain.

🔒Private
Many businesses have deployed private, permissioned blockchains for specific apps based on Ethereum.
Read 9 tweets
Feb 19
OMFG 1 Year already 😱

Exactly 1 year ago, on Feb 19, 2021, I monetized my YT Channel.

It took me 192 days and 145 videos🥵

With zero experience in making videos and a great initial embarrassment.

Here is the thread I wrote 1 year ago to help YOU that are struggling.

1. Find YOUR way

I had to start making a video in a strange way for a developer...by RUNNING!

This for various reasons
- I like to run
- I didn't feel confident speaking in front of a camera
- I did that for charity so it was a boost for me

A very strange way, but it worked
2. Focus on one goal at a time

Instead of wanting to create the BEST VIDEO EVA', I focused on small little goals, in the form of challenges.

And coming from the sports world this is the way my brain works!
Read 7 tweets
Feb 18
🔲Solidity Videos on YouTube

When I want to learn something new, I start with a video (usually on YT).

If you want to learn the Solidity programming language, here is a list of videos I have watched and which I recommend watching.

Final thoughts at the end.

Video Resources - Solidity ...
Solidity in 100 Seconds by @fireship_dev

The world-famous format to give you a good idea just before your Solidity developer interview.

I am joking but it helps a ton.

Solidity, Blockchain, and Smart Contract Course – Beginner to Expert Python Tutorial @PatrickAlphaC

It has the length of a Netflix Series, but it's probably worth more to jump into your blockchain development🐸

Read 10 tweets

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