Gonzalo Álvarez Marañón Mathematics against cyber-crime: how to detect fraud, manipulation and cyber-attacks using Benford’s Law In the early 20th Century, when calculators, computers and smartphones did not yet exist, scientists and engineers used tables of logarithms compiled in thick volumes for their calculations. For...
Gonzalo Álvarez Marañón The Future of University Credentials Points Towards Blockchain And Open Badges Do you want a university degree within 48 hours and without having to open a book, for less than €1,000? No problem. You don’t even need to go to...
Gonzalo Álvarez Marañón Unravelling the Quantum Tangle of Cybersecurity: Quantum Computers, Quantum and Post-Quantum Cryptography Do you know what’ s the difference between quantum computing, quantum cryptography and post-quantum cryptography? Because to be honest, they have (almost) nothing to do with each other. They...
Gonzalo Álvarez Marañón NFT Fever: The Latest Cryptocurrency Killing It Online In May 2007, the digital artist known as Beeple decided to create and publish a new piece of artwork on the Internet every day. True to his word, he...
Gonzalo Álvarez Marañón A Trillion-Dollar on Offer to the Puzzle Solver Are you a fan of mathematical puzzles? Well, here’s a lucrative one… but hard to beat! If you discover a method to crack the hashes used in Blockchain, you...
Gonzalo Álvarez Marañón Nobody on The Internet Knows You Are A Dog, Even If You Use TLS Certificates You may have noticed that most websites have a little padlock on them. If you click on it, a window will pop up stating that “the connection is secure”....
Gonzalo Álvarez Marañón Functional Cryptography: The Alternative to Homomorphic Encryption for Performing Calculations on Encrypted Data — Here are the exact coordinates of each operative deployed in the combat zone.— How much?— 100.000.— That is too much.— And a code that displays on screen the...
Gonzalo Álvarez Marañón Snitch Cryptography: How to Crack Tamper-Proof Devices Google’s Titan Security Key or YubiKey from Yubico are the ultimate trend in multi-factor authentication security. According to Google’s own website: «The keys have a hardware chip with firmware designed...
Gonzalo Álvarez Marañón Plausibly Deniable Encryption or How to Reveal A Key Without Revealing It When the secret police arrested Andrea at the airport checkpoint, she thought it was a mere formality reserved for all foreign citizens. When they searched her luggage and found...
Gonzalo Álvarez Marañón Hiding Keys Under the Mat: Governments Could Ensure Universal Insecurity The doorbell rang. “Who will be ringing now?” asked Brittney Mills, as she struggled to get off the couch. Her eight months of pregnancy were beginning to hinder her...
