Staking locks cryptocurrency to support network operations in exchange for rewards. This explanation covers how it works, the constraints, and what distinguishes it from mining.

Proof of stake secures blockchains through economic collateral instead of computational work. Validators lock funds, propose blocks, and risk losing stake for dishonesty or downtime.

Proof of work is a consensus mechanism that secures blockchains through computational effort. Miners compete to solve cryptographic puzzles, with the winner earning the right to add the next block and receive rewards.

Consensus is how blockchain networks agree on the current state without a central authority. This post explains the mechanism, why it matters, and what could break it.

A block is a container of validated transactions permanently linked to the blockchain through cryptographic hashing. Understanding block structure clarifies how blockchains enforce rules, why design tradeoffs exist, and what happens under stress.

A blockchain node is a computer running protocol software that maintains network infrastructure. Understanding nodes clarifies how blockchain networks stay decentralized and secure.

Mining is the process by which new cryptocurrency transactions are verified and added to a blockchain through computational work. This explains how proof of work actually functions, where binding constraints live, and what's changing in the mining landscape.

A smart contract is code that executes automatically when predefined conditions are met, without requiring a trusted intermediary. This post explains how they work, where constraints live, and what signals matter.

Decentralization means distributing control across many participants rather than concentrating it in one entity. This post explains the mechanism, where constraints actually live, and what would break the promise.

A public address is where others send you cryptocurrency. It's derived from your private key but can't be used to reverse-engineer it. Here's how the system works.

A private key is a randomly generated secret number that proves ownership of cryptocurrency. It's the only way to authorize transactions—lose it, and you've lost access permanently.

A crypto wallet doesn't store your cryptocurrency—it stores the private keys that control it. Understanding this distinction matters for security and control.