Blockchain is innovative and guarantees the fidelity and security of data and generates trust without the need for a trusted third party. The core lies in its ability to be secure, eliminate trust, being reliable and decentralized. It gives ‘POWER’ to all equally and creates transparency. In this talk Drishti shows us how to transform and become a blockchain developer with PHP. She talks about Digital Signature transaction encryption, avoiding counterfeit using node agreement. The core basis of blockchain and cryptography lies in the Cryptographic hash function. She showcases what it is, how to choose and develop the hash function and all about cryptography, covering end-of-chain ambiguity, blockchain mining and mining pools. So, gear up and fuel your excitement for blockchain using PHP through her talk.