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What is Off-Chain?

What is Off-Chain?   Off-chain is not the main blockchain system, but transactions occur outside. Through this, it is possible to solve the scalability problem that could not be solved on-chain. Offchain records only core data on the blockchain, and at this time, data that needs high speed is recorded on the central server of the DApp, not the blockchain. Offchain has advantages such as low fees, high speed, and high transaction throughput. However, there is also a disadvantage, which is that the transaction details recorded in the off-chain cannot be fully trusted. A representative method for solving the off-chain scalability problem is a lighting network. The Bitcoin protocol takes an on-chain payment method that records all transactions generated in the network on the blockchain. This takes a very long time to verify because it stores all the transaction data in the block. Therefore, delays in confirmation occur, and fees paid to miners naturally become expensive. In the end, Bi...

Cryptocurrency and TPS

What is TPS?   TPS (TPS) stands for Transaction per Second, and refers to the number of transactions that can be processed per second. 1 million TPS refers to the speed at which 1 million transactions can be processed per second. TPS can be increased through centralization, but in that case, the purpose of decentralization, the original purpose of the blockchain, is undermined. Joseph Lubin, founder of Consensys, created the concept of DTPS by multiplying TPS by the Decentralization Quotient (DQ). DTPS is a decentralized TPS index. Like I said, TPS is an indicator of how many transactions a blockchain network can handle per second. Remittances of some coins are not processed immediately and take several minutes, which is all caused by a lack of TPS compared to the number of transactions. Therefore, coins that require fast transaction processing, such as payment services, continue to strive to increase TPS.  TPS may vary depending on not only the design of blockchain software, ...