Module 2 of 7

Getting tADA

You Will Learn

  • What ADA is and why it's needed for transactions
  • Difference between testnet ADA (tADA) and mainnet ADA
  • How to use testnet faucets to get free tADA
  • How to check your wallet balance

What is ADA?

ADA is the native cryptocurrency of the Cardano blockchain. Named after Ada Lovelace, the 19th-century mathematician often regarded as the first computer programmer, ADA serves multiple purposes in the Cardano ecosystem.

ADA is used for:

  • 💰Transaction fees - Every transaction on Cardano requires a small ADA fee
  • 🔄Value transfer - Send and receive ADA like digital money
  • 🛡️Staking - Delegate ADA to stake pools to help secure the network and earn rewards
  • 🛒Payments - Buy goods, services, and NFTs (like our Fruit Seller Tarot decks!)

On mainnet, ADA has real monetary value that fluctuates based on market conditions. You can buy ADA on cryptocurrency exchanges and use it for real transactions.

Testnet vs Mainnet

Cardano has two separate blockchain networks that serve different purposes:

🧪 Testnet (Preview)

  • Practice environment
  • • Tokens have zero value
  • • Free tADA from faucets
  • • Safe to experiment
  • • Perfect for learning
  • • Separate blockchain

🌐 Mainnet

  • Production environment
  • • ADA has real value
  • • Must buy or earn ADA
  • • Real financial transactions
  • • Mistakes cost money
  • • Live blockchain

Think of testnet as a flight simulator for pilots—it looks and feels like the real thing, but you can crash without consequences. Once you're confident with testnet, you can transition to mainnet for real transactions.

Using Testnet Faucets

To practice on testnet, you need testnet ADA (tADA). Fortunately, there are free faucetsthat dispense tADA so learners and developers can experiment without spending real money.

What is a Faucet?

A faucet is a website or service that gives away small amounts of testnet cryptocurrency for free. The name comes from the idea of a dripping tap—dispensing tokens drop by drop. Faucets help bootstrap testnet activity and make learning accessible to everyone.

Recommended Cardano Testnet Faucets:

Step-by-Step: Getting tADA

  1. Copy your testnet address from Vespr
    • Open Vespr wallet (make sure you're on testnet)
    • Find your receiving address (usually starts with "addr_test...")
    • Tap to copy the address to your clipboard
  2. Visit a testnet faucet
    • Open one of the faucet links above in your browser
  3. Paste your address and request tADA
    • Paste your copied testnet address into the faucet form
    • Click "Request" or "Send me test ADA"
  4. Wait for confirmation
    • Transaction typically confirms in 1-2 minutes
    • You'll see tADA appear in your Vespr wallet balance

Note: Faucets have rate limits to prevent abuse. Most allow 1000 tADA per day per address. If you've already used a faucet recently, you may need to wait before requesting more. This is normal!

Checking Your Balance

Once you've requested tADA from a faucet, you can check your wallet balance to confirm it arrived.

In Vespr Wallet:

  • • Open Vespr and ensure you're viewing the testnet network
  • • Your balance appears at the top of the main screen
  • • Newly received tADA may take 1-2 minutes to appear
  • • Tap on your balance to see transaction history
  • • You'll see incoming transactions from the faucet

Using Block Explorers:

You can also verify your balance using Cardano testnet block explorers (we'll cover these in detail in Module 3). For now, just know that you can paste your address into a block explorer to see all your transactions and balances on the public blockchain.

Why You Need ADA for Transactions

Every transaction on Cardano requires a small ADA fee. This is true for both testnet and mainnet.

Transaction Fees Pay For:

  • Validator compensation - Stake pool operators earn fees for processing transactions
  • Network security - Fees incentivize validators to maintain the blockchain
  • Spam prevention - Small fees make it costly to flood the network with junk transactions
  • Resource allocation - Fees ensure network resources are used efficiently

Cardano fees are very low compared to other blockchains—typically around 0.17 ADA per transaction on mainnet. On testnet, fees are the same (in tADA), which gives you realistic practice for mainnet.

Common Questions

What is ADA?

ADA is the native cryptocurrency of the Cardano blockchain. Named after Ada Lovelace, the 19th-century mathematician, ADA is used to pay transaction fees, stake for network security, and purchase goods and services. When you buy a physical deck or NFTs, you'll pay with ADA.

✅ Next Steps

Before moving to Module 3, make sure you've:

  • Requested tADA from a testnet faucet
  • Confirmed that tADA appeared in your Vespr wallet
  • Checked your balance in Vespr
  • Understood the difference between testnet and mainnet

Tip: If you run low on tADA during your learning journey, you can always return to a faucet and request more (respecting cooldown periods).

Test Your Knowledge

Check your understanding with these questions. This is an honor system—use the reveals to learn at your own pace.

Question 1: What is the main difference between testnet ADA (tADA) and mainnet ADA?

Question 2: What is a testnet faucet?

Question 3: Can you convert testnet ADA to mainnet ADA?