Complete Cryptocurrency & Blockchain Knowledge Hub

Explore Cube Exchange’s knowledge hub for every core idea in the digital asset world. Whether you are learning the fundamentals of blockchain technology, looking into consensus mechanisms such as Proof of Stake, or researching specific tokens, this library provides clear, fact-checked explanations. Articles are grouped into key areas including tokens, wallets, DeFi protocols, security best practices, and exchange infrastructure so you can quickly find the topics that matter most. Each guide is written for both beginners and experienced traders, with authoritative references to whitepapers, official documentation, and established industry research. Use this hub to understand how digital assets work, learn about the risks and benefits of new technologies, and follow links to detailed trading resources on Cube Exchange. Whether your goal is to grasp the basics or refine advanced strategies, you will find accurate and up-to-date knowledge to help you trade and invest with more confidence.

What is Delegated Proof of Stake (DPoS)? How it works + examplesA complete guide to Delegated Proof of Stake (DPoS): how delegated voting elects validators, the security and performance trade-offs, real networks, and FAQs
Consensus
Aug 11, 202528 min read
What is Delegated Proof of Stake?
A complete guide to Delegated Proof of Stake (DPoS): how delegated voting elects validators, the security and performance trade-offs, real networks, and FAQs.
What is Proof of Authority? PoA Explained for Web3 and DeFiLearn how Proof of Authority works, why enterprises and some public chains use it, and how it compares to Proof of Stake and Proof of Work
Consensus
Aug 11, 202525 min read
What is Proof of Authority?
Learn how Proof of Authority works, why enterprises and some public chains use it, and how it compares to Proof of Stake and Proof of Work. Explore validator identity, governance, security, performance, real-world deployments like VeChain, and the trade-offs for DeFi, tokenomics, and trading.
What is Proof of History? A complete guide to PoH and SolanaLearn how Proof of History provides a verifiable cryptographic clock for ordering events in blockchains, how it complements Proof of Stake and BFT consensus in Solana, key benefits and trade-offs for security and decentralization, and what it means for DeFi, trading, and tokenomics
Consensus
Aug 11, 202529 min read
What is Proof of History?
Learn how Proof of History provides a verifiable cryptographic clock for ordering events in blockchains, how it complements Proof of Stake and BFT consensus in Solana, key benefits and trade-offs for security and decentralization, and what it means for DeFi, trading, and tokenomics.
What is Proof of Elapsed Time? Blockchain consensus explainedLearn how Proof of Elapsed Time (PoET) works, why it was designed for energy-efficient consensus using trusted hardware, its benefits, limitations, and role in blockchain, cryptocurrency, and Web3
Consensus
Aug 11, 202523 min read
What is Proof of Elapsed Time?
Learn how Proof of Elapsed Time (PoET) works, why it was designed for energy-efficient consensus using trusted hardware, its benefits, limitations, and role in blockchain, cryptocurrency, and Web3.
What is BFT Consensus? Byzantine fault tolerance explainedLearn how Byzantine Fault Tolerant (BFT) consensus enables blockchains to agree on valid blocks and the canonical chain with deterministic finality, why many Proof of Stake networks use it, how PBFT, Tendermint/CometBFT, and HotStuff work, and what this means for trading, DeFi, and Web3 security
Consensus
Aug 11, 202522 min read
What is BFT Consensus?
Learn how Byzantine Fault Tolerant (BFT) consensus enables blockchains to agree on valid blocks and the canonical chain with deterministic finality, why many Proof of Stake networks use it, how PBFT, Tendermint/CometBFT, and HotStuff work, and what this means for trading, DeFi, and Web3 security.
What is PBFT (Practical Byzantine Fault Tolerance)? | GuideA comprehensive guide to the PBFT consensus design: how it works, security and performance trade-offs, real-world uses, and its impact on blockchain, DeFi, and Web3
Consensus
Aug 11, 202525 min read
What is PBFT (Practical Byzantine Fault Tolerance)?
A comprehensive guide to the PBFT consensus design: how it works, security and performance trade-offs, real-world uses, and its impact on blockchain, DeFi, and Web3.
What is Federated Consensus? Definition, How It Works, ExamplesLearn how federated models like Ripple’s RPCA and Stellar’s SCP achieve agreement on valid blocks, finality, and safety, along with benefits, risks, security assumptions, industry impact, and real-world applications across blockchain, DeFi, and Web3
Consensus
Aug 11, 202523 min read
What is Federated Consensus?
Learn how federated models like Ripple’s RPCA and Stellar’s SCP achieve agreement on valid blocks, finality, and safety, along with benefits, risks, security assumptions, industry impact, and real-world applications across blockchain, DeFi, and Web3.
What is Leader Election? Blockchain consensus, slots, and proposersA comprehensive, fact-checked guide to leader election in blockchain consensus: how proposers are chosen, why it matters for security, liveness, and performance, and how systems like Bitcoin, Ethereum, Solana, Cardano, Polkadot, and Cosmos differ
Other
Aug 11, 202524 min read
What is Leader Election?
A comprehensive, fact-checked guide to leader election in blockchain consensus: how proposers are chosen, why it matters for security, liveness, and performance, and how systems like Bitcoin, Ethereum, Solana, Cardano, Polkadot, and Cosmos differ.
What is Slot/Epoch? How blockchains keep time and finalize blocksLearn how slots and epochs structure time in blockchains like Ethereum, Solana, Cardano, and Polkadot
Other
Aug 11, 202521 min read
What is Slot/epoch?
Learn how slots and epochs structure time in blockchains like Ethereum, Solana, Cardano, and Polkadot. Understand validator duties, finality, throughput, latency, and how these concepts impact DeFi, trading, tokenomics, and network security across Web3.
What is Validator? Definition, how it works, risks and rewardsA deep, factual guide to validators in proof-of-stake blockchains: duties, staking, slashing, rewards, risks, hardware, selection, and their role across major networks used in cryptocurrency, DeFi, and Web3
Consensus
Aug 11, 202526 min read
What is Validator?
A deep, factual guide to validators in proof-of-stake blockchains: duties, staking, slashing, rewards, risks, hardware, selection, and their role across major networks used in cryptocurrency, DeFi, and Web3.
What is Slashing? Proof-of-Stake penalties, risks, protectionsA definitive, fact-checked guide to slashing in Proof-of-Stake blockchains—how penalties work, why they secure networks, what validators risk, and how to avoid slashing with best practices and tooling
Consensus
Aug 11, 202522 min read
What is Slashing?
A definitive, fact-checked guide to slashing in Proof-of-Stake blockchains—how penalties work, why they secure networks, what validators risk, and how to avoid slashing with best practices and tooling.
What is Attestation? How attestations secure Web3 & DeFiA comprehensive, fact-checked guide to attestations in crypto and Web3: how they work, why they matter for blockchains and DeFi, real use cases, benefits, risks, and future trends—complete with sources and practical examples
Consensus
Aug 11, 202526 min read
What is Attestation?
A comprehensive, fact-checked guide to attestations in crypto and Web3: how they work, why they matter for blockchains and DeFi, real use cases, benefits, risks, and future trends—complete with sources and practical examples.

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