Adding the proof-of-work mechanism to our homemade Javascript blockchain. Proof-of-work will secure our blockchain against spammers and people trying to tamper with our blocks. ► Source code Available on GitHub: https://github.com/SavjeeTutorials/SavjeeCoin 💌 Sign up for Simply Explained Newsletter: https://newsletter.simplyexplained.com/ Monthly newsletter with cool stuff I found on the internet (related to science, technology, biology, and other nerdy things)! No spam. Ever. Promise! 🌍 Social Twitter: https://twitter.com/Savjee Facebook: https://facebook.com/Savjee Blog: https://savjee.be/ ❤️ Become a Simply Explained member: null #blockchain #javascript #nodejs #coding #simplyexplained