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How to generate an Ethereum address

Technical Ethereum Address generation steps:

-Generate Private Key using open source libraries such as Ethereumj or SHA256 hash function with a randomly generated number. 0: Private Key: 09e910621c2e988e9f7f6ffcd7024f54ec1461fa6e86a4b545e9e1fe21c28866

-Generate Public key using ECDSA — secp256k1 — algorithm applied to Private Key. The public key is a point on the Elliptic Curve Algorithm. It…

Bitcoin – Ethereum wallet address

Completed and published a course at udemy about secure Bitcoin and Ethereum address generation.

A couple of months ago, I was trying to create my Bitcoin and Ethereum addresses using some of the so-called trusted and well-known cold and software wallets on the market.

Initially, I thought it could be more secure to buy a hard wallet, and I did this. Then after reading the details of the…

Bitcoin address generation steps

Output of the application will be like below — simplified version will also be provided:

0: Private Key: a4f228d49910e8ecb53ba6f23f33fbfd2bad442e902ea20b8cf89c473237bf9f

0: Private Key Base58: C6t2iJ7AXA2X1KQVnqw3r7NKtKaERdLnaGmbDZNqxXjk

1: public key: 03564213318d739994e4d9785bf40eac4edbfa21f0546040ce7e6859778dfce5d4

2: SHA-256 public key:…

How to generate an Ethereum address— Technical address generation explanation and online course

Ethereum

Ethereum Addresses are based on the Hexadecimal format (also base16 or hex). Hexadecimal numbers from “0” to “9” represent values from zero to nine, and “A”–”F” (or lower case “a”–”f”) represent values from ten to fifteen. Ethereum addresses are not case sensitive and can be used as lowercase or uppercase.

More information about Hexadecimal format:

https://en.wikipedia.org/wiki…

How to generate a Bitcoin address — Technical address generation explanation and online course

Bitcoin Address Generation

Bitcoin addresses can be created using open-source libraries based on algorithmic hash functions.

Users, most of the time, need more than one Bitcoin addresses to send coins to each other on the Blockchain.

Bitcoin addresses are created based on the concept called Public-key cryptography; private keys are only known to the owner/users.

More details about this: 

How mycrypto.tools uses AWS Lambda Serverless Architecture? And the overview of AWS products/services. (Do you really need Servers?)

In this article, I would like to briefly summarize the AWS (Amazon Web Services) components used during the design and development of mycrypto.tools.

https://www.udemy.com/course/how-to-create-generate-bitcoin-and-ethereum-crypto-addresses-offline/

How to create Bitcoin and Ethereum crypto addresses offline Learn how to create private keys and addresses offline – without having an internet…

How to create Bitcoin and Ethereum crypto addresses offline

Learn to code and create Bitcoin and Ethereum addresses using open-source libraries offline. Create your private keys

Learn how to create private keys and addresses offline — without having an internet connection — for Bitcoin and Ethereum cryptocurrencies.

Do you want to create your Bitcoin and Ethereum addresses securely?

I am sure you do because lately, I was in that position.

A couple of…

IntelliJ IDEA for Java and Spring Developers

IntelliJ IDEA tips and tricks and rapid Java and Spring Application Development Now with a discount https://www.udemy.com/intellij-idea-for-java-and-spring-developers/?couponCode=LEARN-INTELLIJ-10 This course will teach you how to use IntelliJ IDEA effectively with Java and Spring Framework projects.The course will start explaining the configuration of the development environment and along the…

Learn JSON with Java APIs, jQuery and RESTful Web Services

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Learn and understand Java Spring MVC Framework 4 with JavaConfig (no XML configuration) and Annotations Java Spring MVC Framework with Spring Data JPA and Hibernate Course ONLY 10 $ NO XML Configuration,  you will learn and understand Java Based Configuration https://www.udemy.com/java-spring-mvc-framework-with-java-based-configuration/?couponCode=learnspring10  Are you interested in learning the…

Java Spring MVC Framework with Java Based Configuration

Course Description NEW Udemy course (9-2-2016) Welcome to Java Spring MVC Framework 4x with Java Based Configuration course. ***Live Coding and the samples are coded from scratch*** ***Your questions will be answered within 24 hours***  https://www.udemy.com/java-spring-mvc-framework-with-java-based-configuration           This course will teach you how to configure Java Spring MVC Enterprise…

Java Spring MVC Framework with AngularJS by Google and HTML5 udemy course

https://www.udemy.com/java-spring-mvc-framework-with-angularjs-by-google-and-html5 Course Description NEW udemy course related to the latest Java Spring MVC Framework 4 for developing WEB applicationswith popular and proven technologies such as AngularJS by Google and HTML5. (Lectures are divided in three main sections so you don’t have to learn AngularJS Framework until you start the last…

JSON @JsonProperty null value

Discount: https://www.udemy.com/spring-framework-4-course-and-core-spring-certification/?couponCode=spring32coupon You can ignore null values using @JsonInclude(value=Include.NON_NULL)

Failed to instantiate standard serializer (of type com.fasterxml.jackson.databind.ser.std.NullSerializer): Class com.fasterxml.jackson.databind.ser.BasicSerializerFactory can not access a member of class com.fasterxml.jackson.databind.ser.std.NullSerializer with modifiers “private”

Discount: https://www.udemy.com/spring-framework-4-course-and-core-spring-certification/?couponCode=spring32coupon Putting @ResponseStatus(value = HttpStatus.OK) on methods will solve this @RequestMapping(value = "/savePost", method = RequestMethod.POST) @ResponseStatus(value = HttpStatus.OK) public void savePost(@RequestBody PostJSON postJSON) {

How to ignore columns class fields in Hibernate Missing column: in databasetable

Discount: https://www.udemy.com/spring-framework-4-course-and-core-spring-certification/?couponCode=spring32coupon Caused by: org.hibernate.HibernateException: Missing column: test in databasetable at org.hibernate.mapping.Table.validateColumns(Table.java:276) at org.hibernate.cfg.Configuration.validateSchema(Configuration.java:1313) at…

Windows port/task kill with commands

netstat -a -o -n taskkill /F /pid processid

How to create effective pom.xml in Maven (merge parent pom with modules)

If you would like to create an effective pom.xml (merged pom.xml) file based on parent pom.xml and modules; Use the following command in order to display and save it as a file; inside module project type mvn help:effective-pom -Doutput=mergedpom.xml