Blockchain apprentice: on July 14, the market once again ushered in a negative decline. Where is the subsequent rebound?

Coin circle news Highlights on July 14: 1. Qian'an once again suspended the sterling withdrawal business of British users. UK digital bank Revolut adds ICP to its application. The S & P Dow Jones index launched the S & P cryptocurrency broad digital market index. Gray BAT trust position increased by 1.72%, and FIL trust position i ...

Posted by pugs1501 on Tue, 18 Jan 2022 22:20:34 +0100

Solid advanced programming | pay attention to the details in the contract

Supplementary knowledge: If the transfer is not related to the deployer, it is related to the trader!Gas is a unit of measurement in Ethereum network. It is an indicator designed to quantify computing power consumption. That is to say, with gas as the unit of calculation, we can easily calculate how much gas costs users need to pay to comp ...

Posted by kaushikgotecha on Fri, 14 Jan 2022 20:15:30 +0100

Lettering on bitcoin blockchain

This task can be verified on BTC Testnet. When we really need something memorable and want to record it on the main network, we can operate in the same way. However, it is necessary to purchase cash withdrawal from the exchange. The process should be more complex, and there are also cash withdrawal handling fees in the middle. First, we get th ...

Posted by BrianM on Fri, 07 Jan 2022 16:12:39 +0100

Analyze bitcoin blockchain using graph data

Here's the table of contents: Analyze bitcoin blockchain using graph data The whole process is to obtain data from one format (blockchain data) and convert it to another format( Graphic database ). The only thing that makes this conversion more difficult than typical data conversion is the understanding of data format; Before starting ...

Posted by munkee on Thu, 23 Dec 2021 06:06:27 +0100

Bitcoin mining and source code analysis

Author: chirpyliSource: Hang Seng LIGHT cloud communityOverview of mining processBitcoin mining is actually a bitcoin node, which packages transactions into blocks and gets bitcoin incentives while obtaining bookkeeping rights. The main mining process is as follows:Collect the transactions broadcast on the network, verify and join the transacti ...

Posted by mattlatos on Tue, 21 Dec 2021 19:50:12 +0100