Bitcoin's blockchain is a digital ledger that stores data happening in the network with three main properties: peer-to-peer, decentralized, and based on the concept of cryptography.
Router chain creates infrastructure for developers to create solutions that work on multiple blockchain networks with decentralization, scalability and security in mind.
Polkadot is a next-generation blockchain protocol that unites an entire network of purpose-built blockchains, allowing all of them to operate seamlessly together at grand scales.
Internet Computer aims to be a general-purpose blockchain designed to replace Web2 or traditional information technology (IT) with a whole suite of Web3 services that can run solely from the blockchain.
Aptos is a decentralized, secure, and scalable network managed by its user community, capable of expanding its computational resources to meet growing global demands.