Twitter CEO Jack Dorsey sold an NFT of his first tweet for more than $2.9 million. Wait, what? He sold a tweet? Yes, but the 15-year-old post was sold as an NFT (non-fungible token): a digital certificate of authenticity that confirms this particular digital file is the one the buyer paid for. Continue Reading →
On average, minting a new NFT takes about 130 kWh of electricity. That's about $27 worth of electricity here in NYC. Selling your NFT will use about 340 kWh of juice, which is about $71 per transaction, which is enough electricity to power your whole house for about two weeks or run your refrigerator for a year. Continue Reading →
Crypto coins
While Bitcoin (₿) is the most famous cryptocurrency, it is only one of approximately 2,000 cryptocurrencies in circulation today. All of the heavily traded cryptocurrencies are powered by some version of a distributed ledger (blockchain), and each has at least one unique attribute that differentiates it. Here's an overview of 5 popular cryptocurrencies and how they compare to Bitcoin. Continue Reading →
Smart Contract
A smart contract is just like an old-fashioned verbal or paper contract except with a smart contract, the conditions can be met digitally. Smart contracts are not new, but they are newly relevant (and a bit overhyped) because they are an awesome, non-cryptocurrency use of blockchain technology. Continue Reading →

What Is Blockchain?

Blockchain
Blockchain is the underlying technology that powers bitcoin, altcoins (other cryptocurrencies), NFTs, smart contracts and DAOs. Distributed ledgers, the term of art for blockchain’s underlying technology, offer a way to transact business without relying on a central authority. Here’s a nontechnical, simplified description of the component parts. Continue Reading →