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Blockchain is a term that is used to describe what is essentially a decentralized database. It is a type of Distributed Ledger Technology (DLT). Other forms of decentralized systems exist, but blockchains remain the most popular, due to its association with Bitcoin and the origins of cryptocurrencies.

Blockchains consist of multiple blocks of data, that are linked together to form a chain. Its most valued properties are immutability and transparency. No new information can be verified that is in contradiction with previously verified data, and data cannot be changed without causing severe changes to the network. Transaction fees are also extremely low, which is an important factor in persuading incumbent financial institutions to adopt the technology for their own purposes. Blockchains can be either permissioned or permissionless, and different projects take different approaches on how their networks are governed.

Blockchain’s strengths have caused it to be quickly considered by many major companies, as well as smaller ones seeking to leverage the advantage for their own growth. However, given the relative newness of the technology, several technical limitations must still be overcome before the technology can reach a global scale. Chief among these is scalability, which determines the number of processes that can be transacted simultaneously or at least without significant delay. 

User-friendliness is another important issue to be tackled. To achieve mass adoption, experts in the field believe that the technology must be manifested in an accessible form, and this is another issue that several projects are tackling, which includes the development of the much vaunted decentralized apps (DAPPs).

In this tag, read blockchain news, price predictions, opinions and analyses created by users.

What is according to you an out of the box Blockchain use case?

15 Jul 2019 1 minute read 0 comments

Crazy becomes the norm because of those who dare. So, for those among you who dare to vision, what crazy use case can you think of Blockchain? You cannot use any of these 10 use cases nor can you use something that already exists... I will go first:...

Well Fargo

15 Jul 2019 1 minute read 0 comments TheCryptoCurator

Crypto Watch TOP News * Wells Fargo won't allow customers to buy Bitcoin. * US Senate Committee approves the Blockchain Promotion Act. * Republic of Georgia exempts Cryptocurrencies from Value-Added Tax. Podcast of the Day: The Cryptoconomy Podcast:...


14 Jul 2019 1 minute read 0 comments Rajlawat

Earn.0.5 - 0.0005 BTC FREE when sign up and play a bet game  

Sascha Bailey gives lecture on digital art at offical Etheurem meet up

13 Jul 2019 1 minute read 0 comments Art

This week at the Official Ethereum  London meet up. Sascha Bailey the CEO of the blockchain art exchange gave a lecture about Digital Art blockchain and artist autonomy. Video below 

AIGO - Adoption Blockchain

12 Jul 2019 8 minute read 0 comments Queenosa

 Introduction AIGO is designed as a free, smart source code project built around a customized contract chain that regulates transaction behavior. This can be arranged as a simple transaction, very complex transactions including, among others, repaym...

STEEM - Going For The AB=CD Completion

12 Jul 2019 1 minute read 0 comments Oligon

Steem seems to be continuing it’s way down on the daily chart after breaking a flag pattern and is now heading for the most likely turning point around $0.20 where an AB=CD pattern would complete and a major support level is located. This would be th...

Azbit CEO and John Mcafee

12 Jul 2019 1 minute read 0 comments chichan47

AZBIT TOKEN The token will be listed on Bitforex starts on August 1, 2019.The price is 0.00012$Listing Price 0.01$ Signup here:


12 Jul 2019 1 minute read 0 comments chichan47

DONT MISS IT! BUY NOW!Roger Ver - Azbit Advisor and Founder & CEO,Creator of Bitcoin Cash The token will be listed on Bitforex starts on August 1, 2019.The price is 0.00012$Listing Price 0.01$ Signup here:


10 Jul 2019 5 minute read 0 comments 0xwriter

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WEKU: Write, Share and Earn ( Logo and Gif Animation Desgin)

8 Jul 2019 1 minute read 0 comments ByM

I made logo and gif for Weku.And I shared this work in my social media accounts. The study was prepared with 3ds max program. Step by step WEKU: Write, Share and Earn logo: Final Render Result: I bought 100 frames rendering with 3ds max program...