Learn Blockchain from the Experts
Blockchain is the buzzword throughout the world right now. Blockchain is fundamentally driving a wide array of technologies right now. You will be equipped with the knowledge needed to create nodes on your personal blockchain, create accounts, unlock accounts, mine, transact, transfer and check balances. Decentralized peer-to-peer network, an immutable distributed ledger and the trust model that defines a blockchain will be the main focus. This course enables you to explain basic components of a blockchain (transaction, block, block header, and the chain) its operations (verification, validation, and consensus model) underlying algorithms, and essentials of trust (hard fork and soft fork).
What you'll learn
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Blockchain Course Info
The complete course details for Blockchain classes given below.
Blockchain Course Info
1.2 Blockchain and its evolution
1.3 Key Terminologies used in blockchain
1.4 Blockchain use-cases
2.2 How are blocks generated?
2.3 Size of blocks.
2.4 Block Explorer
2.5 What is mining? Nonce calculation
2.6 Who can mine?
2.7 Mining rewards
2.8 Genesis Block
3.2 Different Hashing techniques
3.3 SHA256 and EthHash
3.4 BIP 39 for address generation
3.5 How does SHA256 Work?
3.6 Difference between encryption and hashing
3.7 Why is hashing so used and secure?
3.9 Proof of Work (PoW)
4.2 Creating a cryptocurrency
4.3 Tokens vs Cryptocurrency
4.4 Economics of Cryptocurrencies
4.6 Hard fork and Soft fork of bitcoin
4.7 Controlled supply of Bitcoins
5.2 Constructor functions to build block
5.3 Creating methods for block
5.4 Create wallets and transactions
5.5 Blockchain API development and Usage
5.6 Business and use case
5.7 Permissioned Blockchains
6.2 Network Synchronization
6.3 Resources Involved in running a node
6.4 Remote nodes
Schedules for Blockchain Course.
Here are the schedules for blockchain classes. You are free to choose any session which is convenient to you.
Pre-Requisites for the Blockchain Course
What is Blockchain?
Blockchain is a concept of saving the data using distributed ledgers with the help of cryptography. Popular example of blockchain is Bitcoin network.
Does Blockchain mean Bitcoin only?
No. Bitcoin is an application of the blockchain concept which is used as cryptocurrency in the market. Blockchain is a concept which can be applied and many applications can be developed. For example – Ethereum for smart contracts, etc.,
What is ‘mining’ in Bitcoin or Blockchains?
Mining is the process of adding new block to the existing blockchain network by calculating the hash of the approved difficulty level.
What is the ‘difficulty level’ in the blockchain / bitcoin ?
Difficulty level is the literal difficulty level of calculating the hash for a particular block which has to be added to the blockchain. To be more simpler and precise, it can be as simple as calculating specific number of 0’s, for example five zeros(‘00000’) at the beginning of the hash.
What does a Daemon do?
Runs the ledger & syncs and updates the ledger
How to install a blockchain network?
1. Install the Blockchain files(eg: monero)
2. You’ll get a number of binary files like “Daemon”, “wallet-cli”, “rpc”
3. Daemon: Daemon is binary file used to launch a node(with ledger file) in the blockchain network. Daemon maintains the ledger. Daemon is used for syncing and updating the ledger. Daemon provides ledger for verifying the transactions
4. For bitcoin – Bitcoind
5. Monero – monerod
6. Wallet-cli: used to create a wallet.
What is a remote node?
Remote node is the daemon software of the blockchain network but being run on the secondary server. It can serve ledger for multiple servers.
Is remote node safe to use or not?
It is not safe to use remote node server, because the transaction verification is processed using the ledger provided by the node. If the node is remote node, the chances of data manipulation are high, and the data integrity of the node cannot be verified as it cannot be verified by us.
Why do companies use remote node despite its cons?
As the number of systems increase, maintaining of the nodes for each server is costly and ineffective which might reduce the system speed and increase the cost of running the system. Hence, maintaining the remote nodes at organizational level is cost effective solution for improving the system/wallet application for the blockchain network and since the remote node Is maintained by the organization, the data integrity can be verified.
Here are some posts on Blockchain applications and technology updates.