Virtual reality (VR) is a technology that creates a simulated environment that can be experienced through a headset or other devices. VR is used in many applications, such as gaming, education, and healthcare. Popular VR platforms include Oculus Rift, HTC Vive, and PlayStation VR. Follow this link Blockchain is a distributed ledger technology that allows for secure, transparent, and tamper-proof transactions. Blockchain is used in many applications, such as cryptocurrency, supply chain management, and identity verification. Popular blockchain platforms include Ethereum, Bitcoin, and Hyperledger Fabric.