Hal Finney

Harold Thomas Finney (Hal Finney)

(May 4, 1956 – August 28, 2014) was a developer for PGP Corporation, and was the second developer hired after Phil Zimmermann. In his early career, he was credited as lead developer on several console games. He also was an early bitcoin contributor and received the first bitcoin transaction from bitcoin’s creator Satoshi Nakamoto. Finney was a cypherpunk and said: It seemed […]

Vitalik Buterin

Vitalik Buterin

Vitaly Dmitriyevich “Vitalik” Buterin (Russian: Виталий Дмитриевич Бутерин; born 31 January 1994) is a Russian-Canadian programmer and writer who is best known as one of the co-founders of Ethereum. Buterin became involved with cryptocurrency early in its inception, co-founding Bitcoin Magazine in 2011. In 2014, Buterin launched Ethereum with Gavin Wood. Personal life Buterin was born in Kolomna, Russia, to Dmitry Buterin, a computer scientist, and […]


What is NFT(Non-fungible Tokens)and How does it work?

An NFT is a digital asset that represents real-world objects like art, music, in-game items and videos. They are bought and sold online, frequently with cryptocurrency, and they are generally encoded with the same underlying software as many cryptos. Although they’ve been around since 2014, NFTs are gaining notoriety now because they are becoming an increasingly […]


Polkadot, a Platform for Web3

What is Polkadot? Polkadot enables scalability by allowing specialized blockchains to communicate with each other in a secure, trust-free environment. Polkadot is built to connect and secure unique blockchains, whether they be public, permission-less networks, private consortium chains, or oracles and other Web3 technologies. It enables an internet where independent blockchains can exchange information under […]

Cap Theorem

CAP (Consistency,Availability and Partition Tolerance)Theorem

Have you ever seen an advertisement for a landscaper, house painter, or some other tradesperson that starts with the headline, “Cheap, Fast, and Good: Pick Two”? The CAP theorem applies a similar type of logic to distributed systems—namely, that a distributed system can deliver only two of three desired characteristics: consistency, availability, and partition tolerance (the ‘C,’ ‘A’ and ‘P’ […]

Sharding Ethereum

What is Sharding?

The problem : As the number of transaction on a blockchain increases the transaction speed slows down. This situation creates scaling problem on blockchain. The main purpose of sharding is to increase the number and the speed of transactions on blockchain. Sharding as a solution offer for scaling problem: Vitalik Bulterin proposes Sharding to solve […]

Ethereum v2.0

Ethereum v2.0 – Serenity

Ethereum 2.0 — also known as Serenity — is the long-awaited upgrade to the Ethereum blockchain. What Is Ethereum 2.0? In a nutshell, Ethereum 2.0 will result in the blockchain shifting from a proof-of-work consensus mechanism (also used by Bitcoin) to proof-of-stake. This is going to be a marked departure from a tried-and-tested protocol that’s […]

Blockchain Trilemma

Blockchain Trilemma

Let’s briefly explain these three elements to explain Blockchain Trilemma: Decentralization: In blockchain, decentralization refers to the transfer of control and decision-making from a centralized entity (individual, organization, or group thereof) to a distributed network. Decentralized networks strive to reduce the level of trust that participants must place in one another, and deter their ability […]

ZF Car e Waller

Blockchain Transforms Automotive Industry Car eWallet & IBM Hyperledger Fabric

Self-driving cars are the future of transportation. That much is certain. But what’s not certain is how the surrounding infrastructure—roads, charging stations, parking lots, insurance, etc.—will adapt. When a driverless vehicle needs to recharge its battery, use a toll road or park, who will pay? And how will the transaction occur? These are the kinds […]

IBM and Maersk Blockchain

IBM&MAERSK- Cross Border Supply Chain Solution on Blockchain

When IBM and global shipping leader Maersk announced in January 2018 an initiative to create a new global trade platform built on blockchain, the goals were at once simple yet ambitious: to reduce the cost of global shipping, improve visibility across supply chains and eliminate inefficiencies stemming from paper-based processes. In short, to bring global supply chains […]


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