What is Blockchain?
Blockchain may be a system of recording knowledge in a way that creates it challenging or impossible to alter, hack, or cheat the system.
A blockchain is a digital ledger of transactions derived and distributed across the complete network of pc systems on the blockchain.
Every block within the chain contains several transactions, and each time a new trade happens on the blockchain, a record of that transaction is added to each participant's ledger.
The properties of Distributed Ledger Technology(DLT)
- Programmable:- A blockchain is programmable(i.e. Smart Contract)
- Distributed:- All network participants have a copy of the ledger for complete transparency
- Secure:- All records are encrypted
- Immutable:- Any validated records are irreversible and cannot be changed
- Anonymous:- The identity of participants is either anonymous or pseudonymous
- Unanimous:- All network participants agree to the validity of each of the records
- Time-stamped:- A transaction timestamp is recorded on a block
This means if one block in one chain were changed, it would be immediately apparent it had been tampered with. If hackers wanted to corrupt a blockchain system, they would have to change every block across all of the distributed versions of the chain. BlockChain is different because nobody is in charge. It's run by people who use it.
Who is a Blockchain Developer?
A Blockchain developer could be a developer who optimizes and develops blockchain-related apps, smart contracts, protocols, and architecture.
It is a responsible position that needs attention to detail, knowledge, and talent to beat challenges.
Types of Blockchain Developers
- Core Blockchain Developers: The core blockchain developers are responsible for architecture development.
- Blockchain Software Developer: The blockchain software developer works differently. His role is to develop and implement the blockchain using the designs created by the core blockchain developers.
Technical Skills Needed
- Understanding Blockchain architecture
- Learn Data Structures
- Smart contract development
- Basic understand of cryptography
How to become a Blockchain developer?
Step 1: Learn Basics
Learn about what's decentralization, the uses of consensus, additionally dive deep into cryptography.
Then, it would help if you learned about the blockchain ecosystem.
- Enterprise blockchain platforms
- Blockchain as a service (Baas) like hyperledger, Quorum, Corda and Ethereum enterprise
- Learn about popular apps
Step 2: Learn About The Blockchain Working Process
With basics complete, Now you would like to get familiar with real-world implementation.
To get started, begin by working through primary cryptocurrency; you may be able to appreciate what blockchain has to offer.
Remember, cryptocurrency is simply one use-case of blockchain. It's the primary use case of blockchain.
By hunting the entire method, you'll understand, however cryptocurrency, one in every of the foremost essential use-cases of blockchain, works.
Step 3: Start Coding - Learn from blockchain tutorials.
For beginners, I might be learning solidity. It'll assist you in producing and develop dApps and smart contracts on the Ethereum blockchain.
- Create a simple block
- Create a blockchain out of it
- Understand what is genesis block is and implement it
- Adds the blocks to the blockchain
- Validate the chain
- Use it by doing test runs
Note: If you are doing everything correctly, you may have a primary working blockchain!
Step 4: Learn Smart Contracts
A smart contract is additionally one of every of the essential blockchain ideas you just need to learn.
You will use it to automate or add functionally to your dApps
Step 5: Keep reading Blockchain-related content
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