🏆Challenges in Focus: - 🥇Warm Up: Dominating the leaderboard with a whopping 397 solves! - 🚀Flutter QRCode: The ultimate head-scratcher, with only 3 successful conquerors.
UCTF 2023 - where challenges met champions! 🎉
🌐Stay Updated: - For the latest news and updates, follow our Telegram Channel. - Join the conversation on X(Twitter) with the hashtag #UCTF2023.
Stay tuned for more fascinating stats and stories from the contest! 🚀
🏆Challenges in Focus: - 🥇Warm Up: Dominating the leaderboard with a whopping 397 solves! - 🚀Flutter QRCode: The ultimate head-scratcher, with only 3 successful conquerors.
UCTF 2023 - where challenges met champions! 🎉
🌐Stay Updated: - For the latest news and updates, follow our Telegram Channel. - Join the conversation on X(Twitter) with the hashtag #UCTF2023.
Stay tuned for more fascinating stats and stories from the contest! 🚀
Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”
A project of our size needs at least a few hundred million dollars per year to keep going,” Mr. Durov wrote in his public channel on Telegram late last year. “While doing that, we will remain independent and stay true to our values, redefining how a tech company should operate.
