What is staking? The key to earning and securing blockchains

Staking is the process of participating in a blockchain network by locking up cryptocurrency tokens to support its operations, such as transaction validation and security. In return, participants, called stakers, earn rewards, usually in the form of additional cryptocurrency. Staking is central to blockchains that use a Proof of Stake (PoS) or related consensus mechanism.

How does staking work?

Staking involves the following steps:

  1. Locking tokens: Participants deposit a specific amount of cryptocurrency into the blockchain network. These staked tokens act as collateral and demonstrate commitment to the network.
  2. Validating transactions: Staked tokens enable users to become validators or delegate their stake to validators who verify transactions and add new blocks to the blockchain.
  3. Earning rewards: Validators receive rewards for their contributions, which are then distributed to stakers. Rewards depend on factors like the amount staked, network performance, and the staking duration.

Popular blockchains like Ethereum, Cardano, and Solana offer staking opportunities.

Types of Staking

  1. Direct staking:
    Users stake tokens directly on the blockchain and participate as validators. Requires technical knowledge and infrastructure.
  2. Delegated staking:
    Users delegate their tokens to a validator who performs staking on their behalf, ideal for beginners.
  3. Staking pools:
    Multiple users combine their tokens to increase their chances of earning rewards.

Benefits of staking

  1. Passive income: Staking allows users to earn rewards simply by holding and locking their tokens.
  2. Network security: Staking enhances blockchain security by incentivizing participants to act honestly.
  3. Eco-friendly: PoS staking consumes significantly less energy than mining in Proof of Work (PoW) systems.

Risks of Staking

  1. Lockup periods: Some blockchains require staked tokens to remain locked for a specific time, limiting liquidity.
  2. Slashing: Validators acting maliciously or failing to meet performance criteria may lose a portion of their stake.
  3. Market volatility: The value of staked tokens can fluctuate, potentially reducing the overall returns.

Other Glossary Terms

DeFi

DeFi, or decentralized finance, refers to blockchain-based apps that offer financial services without banks. It runs on smart contracts, giving users full control over their assets.

Blockchain trilemma

The blockchain trilemma is the challenge of achieving scalability, security, and decentralization at the same time. Learn why it matters — and how projects try to balance the trade-offs.

Crypto Address

A crypto address is a unique identifier used for sending and receiving cryptocurrency on blockchain networks. Linked to a wallet

Public Blockchain

A public blockchain is an open, decentralized network where anyone can participate, validate transactions, and view the ledger. Learn how it works, its benefits, and the challenges it faces in scalability and security.

Circulating Supply

Circulating supply is the number of crypto tokens actively available in the market. It impacts price, market cap, and scarcity, making it a key metric for investors. Bitcoin has ~19.5M BTC circulating, while Ethereum's supply fluctuates.

Block in a blockchain

A block in a blockchain is a digital record that contains a batch of verified transactions, along with metadata such as a timestamp, cryptographic hash, and a reference to the previous block.