The Blockchain hub focuses on the foundational technologies enabling secure, permissionless verification. Explore what Blockchain is, why it is an essential infrastructure for Proof of Unique Human and go deeper into more technical topics, including Ethereum, EVM compatibility and the transition to Proof of Stake (PoS). Analyze the security advantages of Distributed Ledger Technology (DLT) over centralized databases and explore how smart contracts automate trust and enable private, on-chain human authentication.
Bridges help Web3 users transfer crypto between blockchains, but they're a major target for hackers. Here’s what you need to know about crypto bridge hacks.
Crypto mining is a complex subject and sometimes controversial. Learn what it’s all about and how it works.
In a Sybil attack, a person or a bot spoofs a peer-to-peer network with many fake accounts. Learn what a Sybil attack is and how it applies to blockchain technology.
Many Web3 developers claim Ethereum's Merge is the most significant upgrade in crypto history. So what was the Merge?
Wondering what is a smart contract? Read all about smart contracts and learn how they keep the crypto world transparent and reliable in this definitive guide.
Oracles promise to connect blockchains with non-blockchain data. To better appreciate the enormous potential of Web3, dive into the world of blockchain oracles.
Blockchain nodes are the building blocks of the crypto ecosystem. Find out why nodes are so important and how they keep crypto decentralized and running.
Ethereum is the most-used smart contract blockchain, but as more and more Ethereum competitors emerge, will it be able to maintain the lead?
Read all about blockchain technology and its significance in the world of cryptocurrency.
NFT whitelists provide privileged access to non-fungible tokens on their release day. Learn what NFT whitelists are and how they function.
"Coloring" crypto means adding data to digital coins to create novel use cases. Find out what colored coins are and how they influence NFTs.
SDKs help developers build applications. Learn what an SDK is, how it differs from an API, and how it works in the blockchain industry.
Proof-of-Work powers many prominent cryptocurrencies, including Bitcoin. So what is proof-of-work, and how does it make crypto work? Read on to find out.
Ethereum uses a special software, "Virtual Machine," to process smart contracts. Learn what the Ethereum Virtual Machine is to understand how Web3 works.
People say blockchains are open, but how do they view this data? Find out exactly what Etherscan is and how to use it for crypto research.
Since its launch in 2015, Ethereum has become a dominant cryptocurrency. Learn the complete history of Ethereum and how it helped shape the crypto industry.
The platform that houses NFTs and dApps is moving toward a proof-of-stake protocol. But what’s a proof-of-stake protocol? Find out here!
If you’re looking to explore the world of crypto mining, this guide is for you. Learn about what mining pools are and how they work.
Read all about Ethereum 2.0’s upcoming launch on Worldcoin’s blog.
You can participate in a hackathon in a team or individually. Learn what a hackathon is and whether you should join one with Worldcoin.
Privacy & Anonymity
Explore privacy-preserving technologies, anonymity and cryptography, including Zero-Knowledge Proofs (ZKP), MPC and data protection design.
Biometric Tech
Explore definitions of biometric data like iris, Face ID and fingerprints, how they compare for digital security and how biological data becomes anonymous hashes.
Digital & Crypto Assets
Explore crypto and digital assets including stablecoins, governance tokens, wallets and security risks in the AI economy.