Blockchain is a decentralized, distributed ledger technology that allows for secure and transparent record-keeping of transactions and assets. Blockchain is used in many applications, such as cryptocurrencies, supply chain management, and voting systems. Popular blockchain platforms include Bitcoin, Ethereum, and Hyperledger. Find out more Virtual reality (VR) is a technology that creates a simulated environment, typically experienced through a headset or other wearable device. VR is used in many applications, such as gaming, education, and training. Popular VR platforms include Oculus VR, HTC Vive, and PlayStation VR.