Blockchain systems

Distributed ledgers, cryptocurrency infrastructure, access control, and practical system constraints.

  • Healthcare verification platform · Project · Joined as the first engineer and built the application stack across the React client, Node.js APIs, verification layer, and AWS EKS deployment.
  • DCS-BBN · Project · A peer-to-peer archival storage network using Solidity smart contracts, Hyperledger Fabric, and privacy-preserving verification. Published by Springer.
  • Decentralized Cloud Storage Based on Blockchain Networking · Research · Published research on attribute-based access control, blockchain security events, and untrusted cloud storage.
  • What is cryptocurrency? · Note · A cryptocurrency, crypto currency, or crypto is a collection of binary data which is designed to work as a medium of exchange wherein individual coin ownership records are stored in a…
  • How banks could respond to blockchain · Note · As the financial service industry is moving from the exploration phase to the application phase for blockchain, banks need to understand the future role of blockchain and its impact on…
  • How blockchain could disrupt banking · Note · In today's day and age, banks are the most important key point in the whole finance ecosystem where they serve as the critical storehouses and transfer hubs of value. Now with the…
  • Where blockchain falls short · Note · 1. There is no customer protection on the blockchain Blockchain technology operates as a push based settlement system. This means the individual holds power over the resource they want…
  • What if we combine Blockchain and Cloud Computing? · Note · Blockchain technology is distributed ledger with records of data containing all details of the transaction carried out and distributed among the nodes present in the network. All the…
  • Where could blockchain be used? · Note · Blockchain is freaking exciting and does have the potential to transform all of the business and how it operates, but that doesn’t mean it’s the right solution for every scenario.…
  • What is an initial coin offering? · Note · An initial coin offering (ICO) or initial currency offering is a type of funding using cryptocurrencies. It is often a form of crowdfunding, although a private ICO which does not seek…
  • What is Cryptocurrency ATM? · Note · Bitcoin ATMs (Automated Teller Machine) are kiosks that allows a person to purchase Bitcoin and other cryptocurrencies by using cash or debit card. Some Bitcoin ATMs offer bi…
  • What are atomic swaps? · Note · An atomic swap is a smart contract technology that enables the exchange of one cryptocurrency for another without using centralized intermediaries, such as exchanges.
  • What are cryptocurrency exchanges? · Note · A crypto exchange is a platform on which you can buy and sell cryptocurrency. You can use exchanges to trade one crypto for another — converting Bitcoin to Litecoin, for example — or to…
  • What are transaction fees in blockchain? · Note · The blockchain fee is a cryptocurrency transaction fee that is charged to users when performing crypto transactions. The fee is collected in order to process the transaction on the network.
  • What is anonymity in blockchain? · Note · Blockchain is public for all but the information saved in the Blockchain is not public for all the users as it comes up with SHA encryption, and the information is only accessed during…
  • What is a blockchain wallet? · Note · Crypto wallets keep your private keys – the passwords that give you access to your cryptocurrencies – safe and accessible, allowing you to send and receive cryptocurrencies like Bitcoin…
  • How mining works in blockchain · Note · What exactly is Blockchain mining? A peer to peer computer process, Blockchain mining is used to secure and verify Cryptocurrency transactions. Mining involves Blockchain miners who add…
  • Timestamping in blockchain and cryptocurrencies · Note · Trusted timestamping is the process of securely keeping track of the creation and modification time of a document. Security here means that no one—not even the owner of the…
  • What are nodes in blockchain? · Note · A Node is a part of cryptocurrency needed to make most of the popular tokens like Bitcoin or Dogecoin function. It's a fundamental part of the blockchain network, which is the…
  • What is Blockchain? · Note · Blockchain is the technology that allows the user to create a decentralized system of transaction and data transfers. For the naïve person, it is a method to create a people's bank…