What is blockchain? Blockchain is a specific type of database with special data organization and properties. Blockchains store data in blocks that are then cryptographically chained together in the chronological order one by one, with the block chained onto the previous block. Data commonly stored in blockchains are transactions for Distributed Ledgers. The transactions are…
Cryptocurrency exchanges have revolutionized the way we trade digital assets, with two main types of exchanges dominating the market: decentralized exchanges (DEX) and centralized exchanges (CEX). In this article, we’ll compare the DEX and CEX from a technical perspective. Decentralized Exchanges (DEX) DEX operate on a decentralized blockchain network, such as Ethereum, and are built…
We may use two lists to store the values of two properties of a list of elements in Python. Under such data structure arrangement, when we need to sort the properties from one list, we may want to also make sure the other list will be also re-ordered following the same order as the first…