> For the complete documentation index, see [llms.txt](https://help.mywallet.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.mywallet.io/intro/introduction-to-crypto-and-my-wallet/what-is-a-blockchain-validator.md).

# Who is a blockchain validator?

A **validator** is a [**blockchain**](/intro/introduction-to-crypto-and-my-wallet/what-is-the-blockchain.md) participant who helps keep the network running by validating transactions and producing blocks (in Proof-of-Stake networks).

* Verifies transactions and adds them to the blockchain
* Maintains network consensus
* Protects the blockchain from attacks
* Keeps the network running smoothly
* Processes smart contract operations
* Ensures data consistency

## 🦸‍♂️ Validator Responsibilities

* **Transaction Validation**\
  Verify and process transactions on the network
* **Block Creation**\
  Create new blocks with validated transactions
* **Network Security**\
  Protect against malicious activities and attacks
* **Consensus Participation**\
  Help maintain network agreement on transaction validity
* **Network Maintenance**\
  Ensure smooth operation of the blockchain

## 🤔 How Validators Work

1. **Transaction Verification**\
   Check transaction validity and authenticity
2. **Block Creation**\
   Group valid transactions into blocks
3. **Consensus Participation**\
   Vote on block validity with other validators
4. **Reward Distribution**\
   Earn fees from transaction processing and staking

## 💭 Validator Requirements

* **Technical Infrastructure**\
  High-performance hardware and stable internet connection
* **Stake Amount**\
  Minimum required tokens to participate
* **Uptime**\
  Consistent network availability
* **Technical Knowledge**\
  Understanding of blockchain technology

**Validators** are essential for maintaining the functionality and security of blockchains that use the **PoS** (Proof-of-Stake) mechanism. They earn rewards for their work in the form of commission from staking.

**My Wallet** provides staking and network participation features through official TON smart contracts and infrastructure, helping users participate in the **TON** ecosystem.

{% hint style="info" %}
Validators play a crucial role in blockchain security and decentralization. Their performance directly affects network reliability and transaction processing speed.
{% endhint %}

{% hint style="warning" %}
Choose validators carefully as they handle your staked assets. Look for validators with proven track records and reliable infrastructure.
{% endhint %}