A crypto wallet is the tool you use to interact with blockchain networks. This article explains how wallets work, the different types, and the security habits that keep your crypto safe.
What is a crypto wallet?
Your digital assets aren't stored inside the wallet; they live on the blockchain. The wallet simply holds the keys that let you access, move and manage those assets. It works less like a leather wallet holding cash and more like a digital key ring.
Key components: public vs private keys
To use a wallet effectively, it helps to understand the two different "keys" it manages for you:
Public key (your "mailbox"): Think of this as your wallet address or bank account number. It's a long string of characters that you share with others so they can send you cryptocurrency. It's safe to share this address.
Private key (your "digital signature"): This is your ultimate password. It's used to "sign" transactions and prove you own the funds. Anyone who has your private key has total control over your money. Never share it with anyone, including Coinstash staff.
Custodial vs non-custodial wallets
Custodial: A provider, such as an exchange, holds the keys for you. When your crypto is in your Coinstash account, you log in with your Coinstash details rather than managing your own private keys.
Non-custodial (self-custody): You hold the keys yourself, usually backed up by a seed phrase. You're fully in control, and fully responsible: if you lose the seed phrase, no one can recover the wallet for you.
The three main types of wallets
Wallet Type | Best For | Pros | Cons |
Software (Hot) | Daily trading & convenience | Fast access via apps or browser extensions; usually free. | Vulnerable to online threats like malware or phishing. |
Hardware (Cold) | Long-term "HODLing" | Private keys are stored on a physical device, kept offline. | Upfront cost; less convenient for frequent trading. |
Paper (Cold) | Deep storage | Keys are printed/written on paper; immune to hackers. | Easily lost, stolen, or physically damaged (fire/water). |
🛡️ Essential security checklist
Blockchain transactions are irreversible, so security is your highest priority. Our team recommends these three non-negotiables:
Enable 2FA (two-factor authentication): Never rely on just a password. Use an authenticator app (like Google Authenticator) for an extra layer of protection. See How do I Set Up 2FA? (Mobile App)
Protect your recovery seed: Most non-custodial wallets give you a 12–24 word "seed phrase". This is your emergency backup. Write it down on paper and store it somewhere secure and fireproof. Never save it in your email, cloud storage or as a screenshot.
Be phishing-aware: Coinstash will never ask for your private keys or seed phrase. If you receive an urgent message asking for these details, it's a scam. Learn how to spot a scam.
Why use a wallet at all?
Using a wallet gives you financial autonomy. It lets you safeguard your assets from unauthorised access, make secure global transactions in minutes, and keep a real-time eye on your portfolio's performance.
Moving crypto between Coinstash and your wallet
Sending from Coinstash to your wallet: See How to Withdraw Cryptocurrency from Coinstash. You'll need at least Tier 2 verification.
Sending from your wallet to Coinstash: See How to Deposit Cryptocurrency into Your Coinstash Account.
Sending XRP or XLM to a new wallet? It may need activating first. See XRP wallet activation and XLM wallet activation.
Sending to the same wallet often? Save the address to reduce the risk of errors.
Need a hand? Our Brisbane-based support team is here to help — tap the chat icon in the app or on the website to get in touch.