Miner rewards & transactions - Blockchain in Javascript (part 3)

Miner rewards & transactions – Blockchain in Javascript (part 3)

hey everyone my name is Sofia and in this video we will continue working on our little JavaScript blockchain implementation in the last two videos we created our blockchain and we secured it with the proof-of-work algorithm in this video I'm going to expand it a little bit and make it a simple cryptocurrency to

How safe is contactless payment? || How does RFID & NFC work? || EB#40

How safe is contactless payment? || How does RFID & NFC work? || EB#40

nowadays it is becoming more and more common to use a service like for example Google pay to like the name implies pay for something in a store without using cash even I use a contactless payment methods with my Charu cards which I only have to hold in front of card reader in a

Signing transactions - Blockchain in Javascript (part 4)

Signing transactions – Blockchain in Javascript (part 4)

welcome back to the blockchain in JavaScript series in the previous three videos we have created a simple blockchain in JavaScript we added proof of work and we added transactions and mining rewards but there is a small problem with our current version and that is that anyone can make any transaction that he wants

US National Debt, Part 1: Fundamentals

US National Debt, Part 1: Fundamentals

Benefits of Fixed Deposit | Investment for Beginners | Cartoon Animation

Benefits of Fixed Deposit | Investment for Beginners | Cartoon Animation

welcome to investment basics benefits of fixed deposit deposit is an invest option let doubt about some of its benefits it's deposit is a low-risk investment you can invest in a fixed deposit for a short or long tenure scenario I have rupees savings account which I do not need for 30 days should I