September 28, 2023

Everything about crypto wallet

In this exploration of crypto wallets, we unpack their pivotal role as digital asset guardians and gateways to Web3. The article starts with foundational concepts, emphasizing the wallets' significance in the decentralized internet landscape. It then contrasts custodial and non-custodial wallets, shedding light on the advantages of each. Furthermore, the transformative potential of multi-chain mobile wallets is showcased, underscoring their convenience and ability to bridge various blockchain ecosystems seamlessly.

Sleek v2.0 public release is here

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What has changed in our latest release?

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Part 1: Your Passport to the Web3 World: The Crypto Wallet

As the digital frontier evolves, we're transitioning from the traditional internet, often referred to as Web2, to a new decentralized paradigm: Web3. This transition heralds a world where applications are more transparent, user-centric, and operate without intermediaries. However, to navigate this decentralized realm, you need a unique passport: a crypto wallet.

A crypto wallet isn’t merely a storage tool for your digital assets in the Web3 ecosystem; it’s fundamentally your key to interacting with decentralized applications (dApps) and protocols. Imagine the Web3 space as a vast decentralized city. Just as you'd need an ID or a key card to access specific buildings and services in a city, in the Web3 world, your crypto wallet serves that essential function.

When you want to interact with a dApp, participate in a decentralized finance (DeFi) protocol, or even create a digital identity, it's the crypto wallet that facilitates these interactions. It manages your cryptographic signatures, ensuring your transactions and interactions are secure, authentic, and directly from you.

Moreover, the beauty of the Web3 model is that you're not just a passive consumer. With your crypto wallet, you can actively participate in governance models, vote on protocol changes, and influence the future direction of dApps and platforms. It offers a level of interaction and control unheard of in the traditional Web2 model.

In essence, while Web3 paints a vision of a decentralized future, it's the crypto wallet that actualizes this vision for every individual. Without it, the doors of Web3 remain locked. But with it, you hold the keys to an exciting new era of the internet.

Part 2: What is a Crypto Wallet?

A crypto wallet is a digital tool that allows users to securely store, manage, and transact with their cryptocurrencies. But before diving deep into the concept of a crypto wallet, it's essential to understand the underlying technology: blockchain.

Blockchain is a decentralized and distributed ledger system, where transactions are grouped in blocks and added sequentially to form a chain. Each transaction is transparent and immutable, meaning that once added, it can not be changed or deleted. Cryptocurrencies like Bitcoin and Ethereum operate on this principle.

In the realm of blockchain, crypto wallets become indispensable. Unlike traditional wallets which hold physical currency, a crypto wallet keeps a record of cryptographic keys: a pair of public and private keys.

Public Key: This is analogous to an email address. It's a string of alphanumeric characters you give to others so they can send you cryptocurrency.

Private Key: This is like the password to your email. It's kept secret and ensures only you can access and spend your funds. Anyone with the private key can access and spend the related funds, hence the importance of keeping it secure.

Additionally, during the setup of most wallets, users are provided with a secret phrase, a series of words that acts as a recovery tool in case access to the wallet is lost.

Hardware wallet

Types of crypto wallets:

  1. Hardware Wallets: Physical devices that securely store private keys offline.
  2. Software Wallets: Applications or software downloaded to computers, smartphones, or accessed via the web.
  3. Paper Wallets: Printed pieces of paper containing the private and public keys.
  4. Mobile Wallets: Convenient wallets for on-the-go use, typically with reduced features.
  5. Desktop Wallets: Downloaded and installed on a single computer.
  6. Web Wallets: Accessed through a browser.

Part 3: Custodial vs. Non-Custodial Wallets: Which One Is For You?

When diving into the world of cryptocurrencies and Web3, one fundamental distinction you'll encounter is the difference between custodial and non-custodial wallets. Both serve the essential function of storing your digital assets, but the way they manage and secure these assets varies significantly.

Custodial Wallets:

Definition: A custodial wallet is a type of crypto wallet where a third-party entity, usually a centralized exchange or a financial institution, takes custody of your private keys.


  • User-Friendly: Ideal for beginners, as the third-party handles complexities.
  • Recovery Options: In case of lost access, the third-party can help with account recovery.
  • Additional Services: Often tied to platforms offering trading, staking, or lending services.


  • Less Control: Since you don’t possess the private keys, you don't have total control over your assets.
  • Security Concerns: Vulnerable to large-scale hacks targeting the custodial entity.

Examples: Coinbase, Binance, etc.

Non-Custodial Wallets:

Definition: A non-custodial wallet is a type where the user retains full control of their private keys. It means you, and only you, have access to and control over your funds.


  • Full Control: Total ownership and autonomy over your assets.
  • Enhanced Security: As long as your private key is safe, so are your assets. No risk of centralized hacks.
  • Web3 Interaction: Facilitates seamless interactions with dApps and the decentralized ecosystem.


  • Responsibility: Losing access without a backup means potentially losing your assets permanently.
  • Learning Curve: Might be a bit complex for complete newcomers to crypto.

Examples: Tellaw wallet, Metamask wallet, etc

Secret phrase written down


Choosing between custodial and non-custodial wallets depends on your needs and comfort level. If you value total control and are comfortable with the responsibility of managing your private keys, non-custodial wallets are the way to go. However, if you're new to the space and prefer a helping hand, a custodial wallet might suit you better.

Part 4: How to Set up a Crypto Wallet? Why Multi-Chain Mobile Wallets are the best for Web3 novices?

Setting up a crypto wallet is a crucial step in your journey into the realm of digital assets and Web3. This process ensures your cryptos are securely stored and easily accessible. If you're considering a multi-chain mobile wallet, you're in for a treat. These wallets provide immense convenience and flexibility. Let’s walk through the general steps for wallet setup:

Setting Up a Crypto Wallet:

  1. Choose Your Wallet Type: Determine whether you prefer a software, hardware, custodial, or non-custodial wallet. For Web3 novices, we highly recommend using a multi-chain mobile wallet, a subtype of software wallet.
  2. Download and Install: For mobile wallets, visit your mobile app store and download your chosen wallet application. Ensure it’s the official version to avoid scams.
  3. Initialization: Open the application. Typically, you'll be given an option to create a new wallet or restore an existing one.
  4. Backup and Recovery: Before anything else, secure your wallet. You'll be provided with a mnemonic or seed phrase. This is a series of words that allows you to recover your wallet in case of loss. Document this phrase securely and never share it.
  5. Set Security Protocols: Implement a strong password or PIN. Some wallets also offer biometric access like fingerprint or facial recognition.
  6. Receive Your First Crypto: Your wallet will have a public address. Share this with someone or use it in a crypto exchange to transfer crypto into your wallet.

The Power of Multi-Chain Mobile Wallets:

In the contemporary landscape of crypto, the multi-chain mobile wallet emerges as a trailblazer. These wallets deliver unparalleled convenience, granting users the freedom to access their assets and engage with Web3 anywhere and anytime. Their most salient feature is the unified ecosystem they offer. With a single interface, users can interact across multiple blockchains, eliminating the need for numerous wallets. This integrated environment facilitates deeper dives into the decentralized web, with fluid access to a multitude of dApps spanning various chains. For those seeking cost-effective transaction routes, these wallets often highlight more economical avenues, bypassing higher fees on congested networks.

Frequently Asked Questions (FAQs):

  1. What is a Seed Phrase, and Why is it Important?
    A seed phrase, also known as a mnemonic phrase, is a set of typically 12 or 24 words that serve as a backup to restore your crypto wallet. It's crucial for recovery if you forget your password or if the wallet software has issues.
  2. What's the Difference Between a Multi-Chain and a Single-Chain Wallet?
    A multi-chain wallet supports assets from multiple blockchains, allowing users to manage diverse tokens and coins in one interface. In contrast, a single-chain wallet is specific to one blockchain or its token standard.
  3. Is the Tellaw Wallet Custodial or Non-Custodial?
    The Tellaw Wallet is non-custodial, meaning users have full control over their private keys and, by extension, their funds. No third party, including Tellaw, can access or manage a user's assets.
  4. How Secure are Crypto Wallets?
    The security of crypto wallets varies based on their type and the precautions taken by the user. Hardware wallets are generally the most secure. For software wallets, like mobile wallets, ensuring strong passwords, keeping the seed phrase safe, and using reputable applications significantly enhance security.
  5. Can I Access dApps from Any Crypto Wallet?
    Not all wallets support dApp interaction. Multi-chain mobile wallets, especially those like Tellaw, often feature built-in dApp browsers, allowing seamless interaction with the decentralized web.

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