The internet has changed a lot since its inception, from the static web pages of Web 1.0 to the interactive and social platforms of Web 2.0. But what is next for the web? How can we make it more secure, decentralized, and user-centric? This is where Web3 comes in, the future of the internet.
Web3 is a vision for a new version of the web that is built on open, peer-to-peer, and trustless networks. Web3 aims to give users more control over their data, identity, and digital assets, as well as enable new forms of collaboration and innovation. Web3 is not a single technology or protocol, but rather a collection of technologies and protocols that work together to create a more democratic and distributed web.
One of the key technologies that underpins Web3 is blockchain, which is a distributed ledger that records transactions and data in a transparent and immutable way. Blockchain enables the creation of cryptocurrencies, such as Bitcoin and Ethereum, which are digital currencies that can be used to transfer value without intermediaries. Blockchain also enables the creation of smart contracts, which are self-executing agreements that run on the blockchain and can enforce rules and logic without human intervention.
Another key technology that supports Web3 is IPFS, which stands for InterPlanetary File System. IPFS is a protocol that allows users to store and share files in a decentralized way, without relying on centralized servers or intermediaries. IPFS uses a content-addressable system, which means that files are identified by their content rather than by their location. This makes IPFS more resilient, efficient, and censorship-resistant than traditional file systems.
Web3 also encompasses other technologies and concepts, such as decentralized applications (DApps), decentralized autonomous organizations (DAOs), non-fungible tokens (NFTs), decentralized identity (DID), decentralized finance (DeFi), and the metaverse. These are some of the emerging use cases and domains that leverage Web3 technologies to create new possibilities and experiences for users.
Some examples of Web3 applications are:
Everledger: A distributed digital registry that uses blockchain to track the provenance and ownership of valuable assets, such as diamonds and art1.
Uniswap: A decentralized exchange that uses smart contracts to enable users to swap any ERC-20 tokens without intermediaries or fees2.
CryptoKitties: A collectible game that uses NFTs to represent unique digital cats that can be bred, traded, and owned by users3.
Brave: A web browser that uses blockchain to reward users for viewing ads and content creators for producing quality content4.
Decentraland: A virtual world that uses blockchain and IPFS to create a user-owned metaverse where users can explore, create, and trade digital assets5.
Web3 has the potential to revolutionize the internet and empower users with more freedom, privacy, and ownership. However, Web3 also faces many challenges and risks, such as scalability, usability, interoperability, regulation, security, and education. Web3 is still in its early stages of development and adoption, and more work is needed to address these issues and make Web3 accessible and beneficial for everyone.