var alice = new SafeAccount(id: 2); var aliceAddress = safe.GetAddress(index: 1, hdPathType: HdPathType.Receive, account: alice); var alicePrivate = safe.FindPrivateKey(aliceAddress, account: alice); // safe.GetPrivateKey(index: 1, hdPathType: HdPathType.Receive,...

blockchain

Bitcoin

How EOS Casinos Lost $562,000 to Smart Contract Vulnerabilities

14 Dec 2018 by Apriorit Inc, MikeSotnichek

Examples of fixing vulnerabilities in smart contracts

transaction

blockchain

tokens

EOS RAM Exploit: Explanation of the Vulnerability and Recovery Tips

23 Jan 2019 by Apriorit Inc, MikeSotnichek

The article with a practical solution to the problem.

tokens

blockchain

security

Smart Contract Security Guaranteed by the Network: Cardano and Zilliqa

24 Jan 2019 by Apriorit Inc, MikeSotnichek

Smart security contract in Cardano and Zilliqa

How to Implement a Custom Blockchain for Your Business: Graphene Framework

5 Feb 2019 by Apriorit Inc, MikeSotnichek

The experience of creating a custom blockchain network using the Graphene framework.

network

blockchain

security

Formal Verification of Smart Contracts with the K Framework

15 Mar 2019 by Apriorit Inc, MikeSotnichek

We analyze the pros and cons of formal verification.

tokens

blockchain

security

Hyperledger Fabric: Concepts, Configuration, and Deployment

19 Aug 2019 by Apriorit Inc, MikeSotnichek

This article will be useful for both businesses and developers who want more information about Hyperledger Fabric and its use cases.

cryptocurrency

blockchain

Python :need help in blockchain code and store or transfer hashes on a local database

11 Jun 2022 by Ayesha Tassaduq

Hi I am a beginner in python and I am working on the blockchain I want to store any hash that creates by any transaction. I want to transfer that hash to a local database. Can anyone tell me how can I do that? Here is my code. can anyone give me...

Real estate appliation software recommedation

18 Apr 2019 by Dave Kreskowiak

What do you mean by "What should I use for the mentioned methods?" You write code to do all that stuff. There isn't anything that's going to do that stuff for you.

blockchain

application

Getting errror sending transaction : typeerror: cannot read properties of undefined (reading 'providers') in blockchain app in flutter

8 Feb 2024 by Dave Kreskowiak

The message "Cannot read properties of undefined" is javascript-ese for trying to use an object that doesn't exist, or is null in other lanugages. I don't see a "providers" property or method being called anywhere in the code you posted, so that...

Flutter

blockchain

What are the functionalities that a dapp allows?

19 Mar 2022 by Depsu14

I would like to create a Dapp based on conflict resolution in neighbourhood communities. This would include functionalities such as a noticeboard or the creation of a group chat. Is it possible to build such an application on a Blockchain or...

blockchain

Azure Blockchain Workbench Guide

26 May 2018 by didourebai

In this article, I will describe the provisioning of Azure Blockchain Workbench.

Azure

blockchain

Deploy a New Application in Azure Blockchain Workbench

26 Jul 2018 by didourebai

In this article, we will describe how we can deploy a new application in Azure Blockchain Workbench.

Azure

workbench

blockchain

Setup Your Private Blockchain with NEO

31 Jan 2019 by Divyang Desai

How to setup your private Blockchain with NEO

blockchain

Why am I getting an identifier error at the line simplestorage[]

22 Sep 2022 by Eshu 2022

//SPDX-License-Identifier: MIT pragma solidity ^0.8.7; import "./simplestorage.sol"; contract storagefactory{ simplestorage[] public Simplestoragearray; function createstor() public{ simplestorage Simplestorage = new...

blockchain

Etherdrop: DAPP Lottery on Ethereum Blockchain

10 Aug 2018 by F. Aro

Your Ethereum Giveaway Smart Contract Lottery

HSMs For Cryptos: Bitcoin, ETH & Stuff

28 Oct 2022 by F. Aro

Using HSMs for Crypto Wallets Creation, Storage and Transactions Signing for Bitcoin, Ethereum

How to store blokchain block and retreive data?

20 Apr 2019 by Gerry Schmitz

I don't see anything that "serializes" the blockchain; the code you lifted does it all in memory only; that's why it's not persisted. You'll have to write your own serializer / deserializer; synchronizer; embezzler; etc.

ASP.NET

blockchain

Node js + blockchain

19 Nov 2021 by Greg Utas

You are asking a BIG question, and it isn't clear what you need help with. The following is based on my understanding, but I am not an expert in this. An exchange has a wallet of its own. This wallet holds all of the tokens that users have not...