Category: Technology



Not all cryptocurrencies have their own blockchains. Instead they run on top of other platforms like ERC20 tokens run on top of Ethereum. This video explains what these tokens are and why ERC20 was created. 📚 Sources
Can be found on my website: https://www.savjee.be/videos/simply-explained/erc20-tokens/ 🌍 Social
Twitter: https://twitter.com/savjee
Facebook: https://www.facebook.com/savjee ✏️ Check out my blog
https://www.savjee.be https://www.youtube.com/watch?v=cqZhNzZoMh8



Implementing miner rewards and basic transactions in our Javascript based blockchain. Mining rewards steadily introduce new coins into the system. OOPS, I made a small mistake! In the minePendingTransactions() method, you have to pass the hash of the previous block when you're creating a new Block() instance. This was fixed on GitHub: ► Source code
Available on GitHub:
https://github.com/SavjeeTutorials/SavjeeCoin ►►► Buying Bitcoin or Ethereum
Get $10 for free when buying through my affiliate link (thanks!):
https://goo.gl/G9NQsu 🌍 Social
Twitter: https://twitter.com/savjee
Facebook: https://www.facebook.com/savjee ✏️ Check out my blog
https://www.savjee.be https://www.youtube.com/watch?v=fRV6cGXVQ4I



Companies are collecting more and more data about us and that can cause harm. With differential privacy companies can learn more about their users without violating our privacy. 📚 Sources for this video can be found on my website:
https://www.savjee.be/videos/simply-explained/differential-privacy/ 🌍 Social
Twitter: https://twitter.com/savjee
Facebook: https://www.facebook.com/savjee ✏️ Check out my blog
https://www.savjee.be https://www.youtube.com/watch?v=gI0wk1CXlsQ