Doncho Karaivanov

Doncho is a serial entrepreneur and a supporter of blockchain technology. He is a co-founder of Niquid Tech and the editor-in-chief at ChainBulletin. He enjoys writing about anything related to technology, especially if it's innovative and still gaining speed.

Proof of Work Explained in Simple Terms

  • Proof of work is the consensus mechanism used by Bitcoin and other popular cryptocurrencies such as Ethereum.
  • We explain exactly how it works with simple examples anyone can understand.

Can China’s Blockchain Push Unleash the End-of-Year Bulls?

  • China publicly announcing their support for blockchain innovation seems to have given the bulls a reason to charge again.
  • Total crypto market cap has jumped by more than $40 billion in a matter of hours, with Bitcoin closing in on $10,000.

How to Verify Smart Contracts on Etherscan

  • Etherscan provides a neat tool, allowing you to verify your smart contracts and prove to your customers that there isn't anything malicious going on.
  • We go over the entire process of verification, covering all intricacies, step by step.

Why the Libra Exodus Might be Good for the Project

  • With organizations withdrawing in droves, thoughts of Libra's downfall naturally come to mind.
  • However, with the seeming invulnerability of the project now shattered, policymakers might take a more objective approach towards the venture.

Libra in Trouble: Visa, Mastercard, eBay, Stripe, and Mercado Pago Withdraw

  • Withdrawals from the Libra Association mount as regulatory pressure continues to intensify.
  • David Marcus, chief of Libra, commented on the news, thanking the organizations for their initial support, cautioning people that this is not the end of the world.

Can Cryptocurrency Replace Central Banks?

  • The topic of a central bank digital currency (CBDC) is slowly becoming one of the hottest financial debates.
  • Cryptocurrency often comes up as a potential solution for CBDC, some even arguing that it will eventually replace central banks as a whole.

The Democratic Presidential Candidates’ Standpoints on Cryptocurrency

  • Aside from Andrew Yang, all Democratic Presidential candidates are keeping their stance on cryptocurrency private.
  • The high rates of fraud in the crypto market are a clear sign of immaturity, one that is stopping this emerging fintech from becoming a major focus of U.S. political discussions.

How the U.S.-China Trade War is Affecting the Crypto Market

  • China is making more out of their trade relationship with the U.S. and Donald Trump doesn't like that.
  • While not directly influenced, the crypto market is still part of the economic machine and is reacting to the uncertainty of this grand bout.

Could 2019 be a Repeat of 2017?

  • 2017 was the year when cryptocurrencies became a part of mainstream finance.
  • 2019 could be a repeat of 2017's explosive performance and key markers point that way.

Analyzing ICO Performance in Q1 2019

  • Q1 2019 hasn't been the best 3 months for Initial Coin Offerings.
  • In Q1 2018, 22% of ICOs reached their hard caps while only 2% did so in Q1 2019.