Abhishek Sarvan

CSE | Learning Blockchain & Web3 | Solidity | Smart Contracts | Building in Public

[Abhishek Sarvan @ASarvan786]

Day 36/100

Today I learned about Cryptocurrency Exchanges (CEX vs DEX).

✅ Learned:
• What Centralized Exchanges (CEX) are
• What Decentralized Exchanges (DEX) are
• Key differences between CEX and DEX
• Advantages, risks

🎯 Tomorrow: (DeFi) Basics

#Blockchain #Web3 #CEX

[Abhishek Sarvan @ASarvan786]

Day 35/100

Today I learned about Cryptocurrency Wallets.
✅ Learned:
• Hot Wallets vs Cold Wallets
• Public Key & Private Key
• Seed Phrase and Wallet Recovery
• Best Practices for Keeping Crypto Safe

🎯 Tomorrow: Cryptocurrency Exchanges (CEX vs DEX)
#Blockchain #Web3 #C

[Abhishek Sarvan @ASarvan786]

Day 34/100 – #100DaysOfBlockchain

Today I learned about Decentralized Applications (DApps).

✅ Learned:
• What DApps are
• How DApps work on blockchain networks
• Key features (Decentralization, Transparency & Security)
• Popular DApp categories

#Blockchain #Web3 #DApps

[Abhishek Sarvan @ASarvan786]

Day 33/100

Today I learned about Smart Contracts & Their Use Cases.

✅ Learned:
• What Smart Contracts are
• How Smart Contracts work
• Benefits of Automation & Transparency
• Real-world Use Cases

🎯 Tomorrow: Decentralized Applications (DApps)

#Blockchain #Web3 #Smart

[Abhishek Sarvan @ASarvan786]

Day 32/100 –

Today I learned about Layer 1 vs Layer 2

✅ Learned:
• What Layer 1 Blockchains are
• What Layer 2 Scaling Solutions are
• Rollups (Optimistic & ZK Rollups)
• How Layer 2 improves scalability and reduces transaction fees

#Blockchain #Web3 #Layer1 #Layer2

[Abhishek Sarvan @ASarvan786]

Day 31/100 – #100DaysOfBlockchain

Today I learned about Blockchain Trilemma.

✅ Learned:
• Scalability
• Security
• Decentralization
• Why it's difficult to optimize all three at the same time

#Blockchain #Web3 #BlockchainTrilemma #100DaysOfBlockchain

[Abhishek Sarvan @ASarvan786]

Day 30/100 – #100DaysOfBlockchain

Today I learned about Consensus Mechanisms.

✅ Learned:
• (PoW)
• (PoS)
• Delegated Proof of Stake (DPoS)
• How Consensus Secures Blockchain Networks

🎯 Tomorrow: Blockchain Trilemma (Scalability, Security & Decentralization)

[Abhishek Sarvan @ASarvan786]

Day 29/100 – #100DaysOfBlockchain

Today I learned about Tokenomics.

✅ Learned:
• Token Supply (Fixed vs Inflationary)
• Vesting Schedules
• Token Allocation
• Utility & Governance Tokens

🎯 Tomorrow: Consensus Mechanisms (PoW, PoS & DPoS)

#Blockchain #Web3 #Tokenomics

[Abhishek Sarvan @ASarvan786]

@ishabytes9 @X Hi

[Abhishek Sarvan @ASarvan786]

@JosipHercegg @X Hi

[Abhishek Sarvan @ASarvan786]

Day 28/100 – #100DaysOfBlockchain

Today I learned about Blockchain Security.

✅ Learned:
• Reentrancy Attacks
• Phishing Scams
• Rug Pulls
• Security Best Practices

🎯 Tomorrow: Tokenomics (Supply, Vesting & Token Allocation)

#Blockchain #Web3 #CyberSecurity #Solidity

[Abhishek Sarvan @ASarvan786]

Day 27/100

Today I learned about DAOs (Decentralized Autonomous Organizations).

✅ Learned:
• What is a DAO
• Governance Tokens
• On-chain Voting
• Community-led Decision Making

🎯 Tomorrow: Blockchain Security (Reentrancy, Phishing & Rug Pulls)

#Blockchain #DAO #Web3

[Abhishek Sarvan @ASarvan786]

Day 26/100 – #100DaysOfBlockchain

Today I learned about NFTs & Token Standards.

✅ Learned:
• What are NFTs
• ERC-721
• ERC-1155
• NFT use cases

🎯 Tomorrow: DAOs (Decentralized Autonomous Organizations)

#Blockchain #NFT #Ethereum #Web3 #BuildInPublic #100DaysOfCode

[Abhishek Sarvan @ASarvan786]

Day 25/100 – #100DaysOfBlockchain

Today I learned about Decentralized Finance (DeFi).

✅ Learned:
• What is DeFi
• DEX vs Centralized Exchange
• AMM
• Liquidity Pools

🎯 Tomorrow: NFTs (ERC-721 & ERC-1155)

#Blockchain #DeFi #Web3 #Ethereum #BuildInPublic #100DaysOfCode

[Abhishek Sarvan @ASarvan786]

Day 24/100 – #100DaysOfBlockchain

Today I learned about the Blockchain Trilemma.

✅ Learned: • Security • Decentralization • Scalability • Why balancing all three is challenging

🎯 Tomorrow: Decentralized Finance (DeFi)
#Blockchain #Web3 #Ethereum #DeFi #BuildInPublic

[Abhishek Sarvan @ASarvan786]

Day 23/100 – #100DaysOfBlockchain

Today I learned about Layer 1 & Layer 2 Blockchains.

✅ Learned: • What is Layer 1 • What is Layer 2 • Why Layer 2 is important • Popular L2 solutions

🎯 Tomorrow: Blockchain Trilemm

#Blockchain #Ethereum #Layer2 #Web3 #BuildInPublic

[Abhishek Sarvan @ASarvan786]

Day 22/100 – #100DaysOfBlockchain

Today I learned about Blockchain Oracles.
✅ Learned:
• What are Oracles
• Why Smart Contracts need them
• Real-world data integration
• Chainlink basic
🎯 Tomorrow: Layer 1 vs Layer 2 Blockchains
#Blockchain #Web3 #Chainlink #BuildInPublic

[Abhishek Sarvan @ASarvan786]

Day 21/100 – #100DaysOfBlockchain

Built an improved Smart Contract today!

💻 Features:
✅ Constructor
✅ Owner Access Control
✅ Events
✅ Secure Storage

#Solidity #Ethereum #Web3 #BuildInPublic #100DaysOfCode

[Abhishek Sarvan @ASarvan786]

Day 20/100 – #100DaysOfBlockchain

Built my first Smart Contract using Solidity!

💻 Project: Simple Storage

✅ Features: • Store a number • Retrieve the stored number • Deployed on Sepolia Testnet using Remix IDE

#Solidity #Ethereum #Web3 #BuildInPublic #100DaysOfCode

[Abhishek Sarvan @ASarvan786]

Day 19/100
Today I learned about Mainnet & Testnet.
✅ Learned:
• What is Mainnet
• What is Testnet
• Why developers use Testnets
• Sepolia & Holesky basics

🎯 Tomorrow: 🚀 Project 1 – Create, Deploy & Verify Your First Smart Contract using Solidity and Remix IDE.
#Web3