It’s about that time to round up another batch of Useful Websites. This is the first edition of the new year. Welcome back! I’ve got 10 websites to show you in various categories that some of you may know about along with websites that you wish you knew about earlier.
0:22 Search engine for free PDF files and eBooks.
1:01 A fun way to learn computer programming.
2:10 Find out the shelf life of your food.
3:10 Math problem solver with steps.
4:03 Easily remove links from Wikipedia.
4:58 Full featured free vector design tool.
5:38 Food comparison tool to help you choose healthy foods.
6:20 Find similar movies.
6:57 Learn to hack and protect yourself from attacks.
7:32 Get ideas and learn how to make stuff.
TechGumbo is a leading source for the technology that we use each day. Whether it’s discussing computer operating system tricks, the latest tips for your mobile phone, finding out about the newest gadgets, or letting you know about useful websites that can make your life easier, TechGumbo has boundless topics on technology for the astute YouTube viewer.
Understanding how blockchain works and identifying myths about its powers are the first steps to developing blockchain technologies.
Blockchain is an algorithm and distributed data structure for managing electronic cash without a central administrator among people who know nothing about one another. Originally designed for the crypto-currency Bitcoin, the blockchain architecture was driven by a radical rejection of at (government-guaranteed) money and bank-controlled payments.
Blockchain is a special instance of Distributed Ledger Technologies (DLTs), almost all of which have emerged in Bitcoin's wake.
HOW DOES BLOCKCHAIN WORK?
Blockchain is a Distributed Ledger Technology (DLT) that was invented to support the Bitcoin cryptocurrency. Bitcoin was motivated by an extreme rejection of government-guaranteed money and bank-controlled payments. The developer of Bitcoin, Satoshi Nakamoto envisioned people spending money without friction, intermediaries, regulation or the need to know or trust other parties.
Technically, the original blockchain is separable from Bitcoin, but this report will show that the blockchain design is so specific to Bitcoin that it's not a good fit for much else.
The central problem in electronic cash is Double Spend. Because pure electronic money is just data, nothing stops a currency holder from trying to spend it twice. Blockchain solves the Double Spend problem without a digital reserve fund or similar form of umpire.
Blockchain monitors and verifies Bitcoin transactions by calling upon a decentralized network of volunteer-run nodes to, in effect, vote on the order in which transactions occur. The network's algorithm ensures that each transaction is unique.
Last posted by WonderCircle on June 03 at 04:15 PM
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