FAQs on Cronos POS Chain & Cronos Chain

Cronos POS Chain

What Is Cronos POS Chain?

Cronos POS Chain is a public, open-source, and permissionless blockchain optimized for high-speed transactions and low fees. Designed to drive mass adoption, it supports use cases like Payments and NFTs. Key ecosystem partners include Crypto.com, Ledger, Coinbase, and 100+ active validators with proven reliability in proof-of-stake (PoS) networks.

📌 Quick Start:

• Mainnet Setup Guide
• Official Documentation

Consensus Algorithm

Cronos POS Chain uses Tendermint Core, a mature Byzantine-fault tolerant (BFT) consensus engine for PoS systems.

Staking Rewards

• Target Annual Return: ~20% during initial launch (source).
• Reward Distribution: Generated every block (~5–6 seconds).
• Validator Commissions: Earn additional fees from delegators.

How to Stake CRO

1. Non-Custodial Wallet (NCW): Via Crypto.com DeFi Wallet.
2. Desktop Wallet: Use Crypto.com DeFi Desktop Wallet.
3. CLI: Advanced users can stake via chain-maind commands.

👉 Stake CRO securely with these tools

Validator Details

• Explorer: Check validator stats on Cronos POS Explorer.
• Community Explorers: Links available in Discord.

Validator FAQs

• Minimum Stake: 1 CRO (no floor for delegation).
• Active Validators: Top 100 by stake amount earn rewards.

• Hardware Requirements:

  • Archive Node: 64GB RAM, 3.4TB disk.
  • Full Node: 16GB RAM, 1.2TB disk.
  • Pruned Node: 16GB RAM, 40GB disk.

Unbonding & Slashing

• Unbonding Period: 28 days (security measure).

• Slashing Conditions:

  • 5% penalty for Byzantine faults.
  • No slashing for liveness faults (e.g., downtime).

Common Commands

• Check missed blocks:

  chain-maind q slashing signing-info

• Withdraw rewards:

  chain-maind tx distribution withdraw-rewards [address] --commission

Cronos Chain (EVM-Compatible)

What Is Cronos Chain?

Cronos is an EVM-compatible chain powered by Ethermint, enabling seamless porting of smart contracts from Ethereum. It runs parallel to Cronos POS Chain.

Key Features

• Native Token: CRO.
• Validators: 20+ invited partners (PoA consensus).
• Chain ID: 25 (Ethereum) or cronosmainnet_25-1.

Becoming a Validator

Validator applications are invitation-only. Self-run nodes are permitted (docs).

👉 Explore Cronos developer tools

Network Comparisons

| Network | Purpose |
|------------------|----------------------------------|
| Cronos Chain | EVM smart contracts, DeFi, NFTs. |
| Cronos POS | Payments, low-fee transactions. |
| Croeseid | Testnet for Cronos POS. |

Developer Resources

• RPC Endpoints: Public RPC Docs.
• Smart Contracts: Deployment Guide.
• Rate Limits: 300 req/min/IP (Mainnet).

FAQ Highlights

• Gas Fees: Higher fees don’t prioritize transactions (FCFS mempool).
• Wallet Integration: Support for MetaMask, Trust Wallet, and Crypto.com DeFi Wallet (tutorial).

Croeseid Testnet

Basics

• Purpose: Testnet for Cronos POS Chain.
• Token: TCRO (no real value).
• Faucet: Get TCRO here.

Node Requirements

• Archive Node: 16GB RAM, 281GB disk.
• Full Node: 16GB RAM, 83GB disk.

Token Migration

Why Migrate?

Migrate ERC20 CRO (Ethereum) to native CRO (Cronos POS) for staking and lower fees.

Methods

1. Crypto.com App/Exchange: Deposit ERC20 CRO, withdraw native CRO.
2. DeFi Wallet: In-app migration tool.
3. Manual Migration: For advanced users (web tool).

Useful Links

• Cronos POS: Explorer | Docs
• Cronos EVM: Cronoscan | Grants

FAQ Section

❓ How often can I redelegate CRO?
→ Once every 28 days.

❓ What happens if my validator is jailed?
→ Redelegate to an active validator (if no recent redelegations).

❓ Are staking rewards auto-compounded?
→ No, manually withdraw via CLI or wallet.

👉 Start staking CRO today