See Also
                        
                        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” […]                        
                                    
                        Sources for news about the Poloniex exchange
                                                    
                        You should look for official sources for exchanges and brokers. Never trust ads or search results! To be sure, access Poloniex’s official website and click through to links from there. Note: Don’t even trust the links on this site! Don’t trust, verify. Check all links against official sources before entering any credentials. For instance, Poloniex […]                        
                                    
                        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: Decentralized blockchains can only survive having a valuable token, like Bitcoin, attached to them [Feb 2018]
                                                    
                        We’ve heard this time and again, especially from folks in the financial sector: “blockchain is here to stay, Bitcoin not so much”. Is this really so? We disagree, and in this article we discuss the origins of Bitcoin and how the problem it solved only makes sense when there’s a reward for participants to join […]