See Also
Understand asymmetric encryption – AKA public key cryptography
For thousands of years the art of encryption consisted in hiding one secret from the enemy. By gaining access to this secret the opponent could decode the message and, perhaps, future messages encoded using the same key. Many complicated secret encodings were created, like the Vigenère cipher where the secret alphabet would change among several […]
Opinion: Tether is likely backed by Bitcoin U$ equivalents, not by cash US Dollars [June 2018]
A lot of the controversy surrounding the Tether cryptocurrency seems to focus on whether it is fully backed by US Dollar funds or not. Several relevant questions have been posed in this respect, such as why investors would keep U$ 2.5 billion (as of May 2018) in cash deposited as reserves for Tether, with little […]
Target’s verified Twitter account hacked
Retailer Target’s Twitter account was hacked earlier today and is actively promoting a Bitcoin scam. Worse yet, they have taken control of the Target ad account and have paid for promoted tweets which are spreading quickly, with massive engagement: The tweets take victims to a website (not linked on purpose) which requests them to “confirm” […]
ELI5 Don’t ever mix paper and electronic wallets!
Whatever cryptocurrency you might use, don’t ever mix paper and electronic wallets! In this article we give a ELI5 overview of paper wallets and what you need to know to keep your crypto safe from theft or accidental loss. Paper Wallets First, let’s take a quick look at how paper wallets work. Cryptocurrencies use what […]