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Tag Archives: secure

How the blockchain could help email security

BitMessage

Every day we send thousands of emails and such communication has become a daily routine and a MUST for any person and company.

But options to secure communications are not so common and strong. Also, the existing services are too difficult for people to use and they should use a trusted channel.

  
This is the reason why it has been opened the open source project called BitMessage, a service who helps to decentralize and encrypt messages and solves the problem of trusting a third party security authority. 
But BitMessage doesn’t use the bitcoin blockchain, but a distributed ledger created by the BitMessage Community itself. 

How it works

Thanks to BitMessage and its wallet, you will be able to create a private key and your contacts will receive a string that look like a bitcoin address. 
This way you will have a long alphanumeric string among your contact lists instead of email addresses, and you need a proof-of-work to send your message, even offline. 
In fact, BitMessage proposes a system where customer uses a hash of a public key that it is the same as the user’s address. “If the public key can be obtained by the underlying protocol, then it can easily be hashed to verify that it belongs to the intended recipient. The data exchanged by the user can also include a version number for forwards capability, a stream number and a checksum”, explained the whitepaper. 

Here you can read the full whitepaper, in which BitMessage is described as a “peer-to-peer message authentication and delivery system” platform.


The invention

BitMessage was opened in November 2012 by Jonhatan Warren, who also created PyBitmessage, or the official instant messaging client for BitMessage.

Technical details

Its source code use Python as a language and the Qt cross-platform application framework; OpenSSL allows its cryptographic functions. BitMessage is available for Microsoft Windows, Mac OS and Linux.
Unfortunately, it is not available for mobile devices.

Download the latest version here !

Open your free digital wallet here to store your cryptocurrencies in a safe place.

Amelia Tomasicchio

Visa is working on a secure and scalable Blockchain

The American multinational financial services corporation Visa annonuced its “secure and scalable” blockchain project.
To do so, Visa opened a position for software engineers who have to “explore and develop technologies that are critical to the payments industry in the future”, as stated in the job advertisement. 
visa, blockchain, job, job position, scalable blockchain

Job Description

The researches will cover three key areas: data analytics, security and future of payments, so the team will work on develop a sort of proof-of-concept for the Visa blockchain network

“Working on Future of Payment research at Visa is a unique opportunity at a time when the payments industry is undergoing a digital transformation with data as a critical differentiator. We offer you the opportunity to be at the center of innovation in the payments industry and unleash the power Visa technologies and massive data in innovating the future of payment concept.”


The perfect candidates must have programming experience, cryptography and “competency in data structures, algorithms and software design optimized for building highly distributed and parallelized systems”. 

Visa partners with Chain

Some months ago, Chain raised $30 million in a new venture funding, drawing funds from some financial companies including Visa.
Chain is a a blockchain developer platform that serves an enterprise market.

The blockchain is no longer a choice

Previously, on December 2015, Visa Europe stated that “the blockchain is no longer a choice”.
In an interesting blog post entitled “Why 2015 was the year of payments”, in fact, they commented on financial technologies including the subject of digital currencies, by saying:

“2015 has turned blockchain into something the industry has to live with. It is no longer a choice anymore. Recent news speculating about the identity of its creator and the formalisation of virtual money as a commodity just makes it more real than ever before.”


To know more about Visa perspective on the blockchain, you can read the full post here.

Open your free digital wallet here to store your cryptocurrencies in a safe place.

Amelia Tomasicchio

Infographic: What is Bitcoin Mining?

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jorge

Infographic: What is MultiSig and why does it matter?

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jorge

Infographic: The 4 Properties of Bitcoin

 The 4 Properties of Bitcoin

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jorge