Category archive

Foundations

The building blocks of crypto: wallets, private keys, consensus mechanisms, and the core concepts underpinning blockchain technology.

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Consensus

Mar 21, 2026

What Is Delegated Proof of Stake?

Learn what Delegated Proof of Stake is, how DPoS works, why it improves blockchain performance, and what tradeoffs it makes in governance.

25 min read

Blockchain

Mar 21, 2026

What is the UTXO Model?

Learn what the UTXO model is, how unspent outputs work, why wallets create change, and how UTXO differs from account-based blockchains.

22 min read

Blockchain

Mar 21, 2026

What Is an Uncle Block?

Learn what uncle blocks are, why Ethereum rewarded them in proof-of-work, how they worked mechanically, and why they disappeared after the Merge.

21 min read

Blockchain

Mar 21, 2026

What is a Blockchain Transaction?

Learn what a blockchain transaction is, how it works, why signatures and consensus both matter, and how Bitcoin and Ethereum transactions differ.

26 min read

Blockchain

Mar 21, 2026

What is a Soft Fork?

Learn what a soft fork is in blockchain, how backward-compatible consensus upgrades work, why they matter, and how activation differs from hard forks.

23 min read

Blockchain

Mar 21, 2026

What is a Merkle Tree?

Learn what a Merkle tree is, how Merkle roots and proofs work, and why blockchains use them for transaction inclusion, light clients, and state commitments.

23 min read

Blockchain

Mar 21, 2026

What is an Orphan Block?

Learn what an orphan block is, how it differs from a stale block, why competing chains create it, and what it means for rewards, reorgs, and security.

25 min read

Blockchain

Mar 21, 2026

What is Chain Reorganization?

Learn what a chain reorganization is, why blockchain history can change near the tip, how reorgs work, and why confirmations and finality matter.

25 min read

Blockchain

Mar 21, 2026

What is a Hard Fork?

Learn what a hard fork is in blockchain, how incompatible consensus-rule changes split chains, and why hard forks differ from soft forks.

21 min read

Blockchain

Mar 21, 2026

What is Blockchain Latency?

Learn what blockchain latency really means, from propagation and inclusion to confirmation and finality, and why it shapes speed, forks, and liveness.

26 min read

Blockchain

Mar 21, 2026

What Is a Mempool?

Learn what a mempool is, why blockchains need it, how transactions are ordered and evicted, and why mempools matter for fees, RBF, and MEV.

23 min read

Blockchain

Mar 21, 2026

What Is a Fork in Blockchain?

Learn what a blockchain fork is, why forks happen, how soft and hard forks differ, and how networks resolve or live with competing histories.

24 min read