Navegar na Web3 de forma segura: 10 passos essenciais

5 min

junho 27, 2024

Web3, the exciting new frontier of the internet, is reshaping the way we engage with digital assets, data, and applications. Powered by groundbreaking ledger technologies and decentralized protocols, it ushers in a world where trustless transactions, computation, and data storage are the norm.

Imagine a digital universe where virtual currencies and DeFi applications on the Ethereum blockchain open up a treasure trove of opportunities. Here, you can dive into a global economy without the need for middlemen or central authorities. This isn’t just an evolution; it’s a revolution, making the digital realm more inclusive, empowering, and thrilling than ever before. Welcome to the world of Web3 – where your digital dreams can come true without the interference of third parties through the use of financial instruments like smart contracts and decentralized architecture, promoting decentralization and reducing centralization of wealth.

With DeFi protocols, the building blocks of various financial applications built on blockchain technologies, the potential for more open, free, and fair financial markets accessible to anyone with an internet connection is within reach. Decentralized lending platforms, an umbrella term for various financial applications built on blockchain technologies, enable peer lending, offering the chance for passive income without relying on traditional financial institutions. Companies like Compound Finance are pioneering this space, allowing users to earn interest on their crypto holdings by lending out assets or borrowing against collateral.

This shift is not just about innovation but also about creating a more equitable financial system. With DeFi, anyone can participate in prediction markets, access loans, or save in a decentralized manner, bypassing the control of entities like the Federal Reserve. This is the first time in history that such financial freedom and inclusivity have been possible, thanks to the power of Web3 and blockchain technology. By utilizing a blockchain network, these open, decentralized finance applications provide a globally accessible and transparent foundation on which to innovate in the realm of financial services.

Navigating web3 securely

As we venture into this new digital frontier, we face an array of challenges and risks. Reports indicate a staggering rise in monetary losses due to hacks, surging from just under $1 billion in 2018 to a whopping $4 billion in 2022. The trend continues into 2024, with over $502 million lost in just the first quarter across 223 incidents. These alarming figures underscore the pressing need for robust security measures to safeguard the Web3 ecosystem.

These eye-opening statistics highlight the necessity for anyone diving into Web3 to take proactive steps for their safety.

This article outlines 10 practical steps to help you safeguard your assets while navigating the world of cryptocurrencies and NFTs.

1. Keep Your Private Keys Offline

Private keys are the cornerstone of your crypto assets. They grant access to your funds, and if lost or stolen, your assets are irretrievably gone. Therefore, securing your private keys is critical. Storing them offline is one of the most effective ways to protect them from online threats.

Ways to Store Your Private Keys:

Memorize Them: While this might not be practical for complex keys, it is an option for those with good memory skills.

Write Them on a Piece of Paper: Store the paper in a secure location, such as a safe or a lockbox.

Use Storage Devices like Cryptotag: These devices are specifically designed to store private keys securely, using durable materials that can withstand fire and water damage.

Never store your private keys digitally. This includes avoiding saving them in emails, cloud storage, or on your computer, as these methods are vulnerable to hacking.

2. Practice Self-Custody

At TransFi, we strongly advocate for self-custody of your assets. Self-custody means storing your crypto and NFTs in a non-custodial wallet, giving you complete control over your funds and private keys without third-party access. While it requires some technical know-how, it offers superior security and privacy.

Popular Self-Custody Wallets:

Hardware Wallets: Devices like Ledger and Trezor are known for their robust security features, storing your private keys offline and away from potential online threats.

Desktop Wallets: Electrum and Atomic offer secure storage solutions on your desktop, providing both convenience and security.

Mobile Wallets: MetaMask is a popular choice for managing crypto and NFTs on your mobile device, combining ease of use with powerful security features.

For seamless management and transfers, check out TransFi's Collections product

3. Enable Two-Factor Authentication

Two-Factor Authentication (2FA) is crucial for securing your wallet and funds. It adds an extra layer of security by requiring a code sent to your phone or email in addition to your login credentials. This makes it significantly harder for malicious actors to access your account.

How to Enable 2FA:

Wallets: Most modern wallets, including hardware and software wallets, support 2FA. Enable it in the security settings.

Exchanges: Ensure 2FA is enabled on all your exchange accounts. This includes using apps like Google Authenticator or Authy for generating secure 2FA codes.

Multiple Layers of 2FA: For extra security, consider using multiple layers of 2FA, such as a combination of SMS-based codes and app-generated codes.

4. Verify Smart Contracts Before Interacting

Smart contracts automate agreements on the blockchain but can contain malicious code if not properly vetted. Before interacting with a smart contract, it is important to verify its integrity and safety through tools like Etherscan or Cyberscan. These tools can audit the code and check for vulnerabilities, ensuring the safety of your financial transactions and the proper execution of the loan through smart contract logic. Trusted services like Quantstamp can also be utilized for this purpose, giving peace of mind to both the borrower and lender.

Steps to Verify Smart Contracts:

Use Etherscan: Check the contract's code on Etherscan for any red flags or issues reported by the community.

Audit Reports: Look for audit reports from reputable firms like Quantstamp or CertiK.

Community Feedback: Research feedback and reviews from other users who have interacted with the contract.

5. Use Reputable Services and Platforms

When dealing with cryptocurrencies and NFTs, always research the companies behind products and services to identify potential red flags. Verify website legitimacy by checking for HTTPS and a padlock icon in the URL bar, and only use trusted sites.

For reliable crypto-to-fiat transactions, explore TransFi's Ramp service.

Tips for Using Reputable Services:

Check Reviews: Look for reviews and ratings from other users to gauge the reliability of a service.

Research the Team: Investigate the team behind the service. Experienced and reputable teams are less likely to engage in malicious activities.

Verify SSL Certificates: Ensure the website has a valid SSL certificate (indicated by HTTPS and a padlock icon).

When interacting with decentralized applications (dApps) or signing in with your crypto wallet, always read the transaction messages carefully. Unauthorized interactions can drain your funds if you grant malicious apps permission to act on your behalf.

6. Carefully Manage Decentralized Interactions

When interacting with decentralized applications (dApps) or signing in with your crypto wallet, always read the transaction messages carefully. Unauthorized interactions can drain your funds if you grant malicious apps permission to act on your behalf.

Tips for Safe dApp Interactions:

Read Permissions: Always read and understand the permissions a dApp requests before granting access.

Use Trusted dApps: Stick to well-known and trusted dApps to minimize the risk of malicious activities.

Regular Audits: Periodically audit the permissions you've granted to dApps and revoke access where necessary.

7. Use Decentralized Identities

Decentralized Identifiers (DIDs) enhance security by allowing users to control their data without central authority. DIDs are cryptographically secure and immutable, making them resistant to identity theft and data tampering, thus protecting user privacy.

Benefits of Decentralized Identities:

Enhanced Privacy: Control your personal data without relying on centralized authorities.

Security: Cryptographically secure, reducing the risk of identity theft.

Immutability: Once created, DIDs cannot be altered, ensuring data integrity.

8. Be Mindful of Market Liquidity When Trading

Market liquidity affects how quickly you can buy or sell assets without impacting their price. Research the liquidity of an asset before trading, and consider using limit orders for better control over your transactions.

Tips for Managing Liquidity:

Research Liquidity: Use tools and platforms that provide liquidity data for various assets.

Limit Orders: Place limit orders instead of market orders to control the price at which your trade executes.

Diversify: Diversify your holdings to avoid liquidity issues in any single asset.

9. Always Have an Exit Strategy

Even if you’re confident in your investment, plan for potential risks. Set clear entry and exit points and create a plan for handling losses or market downturns. Remember, markets are unpredictable.

Creating an Exit Strategy:

Set Goals: Define your financial goals and establish clear entry and exit points for each investment.

Risk Management: Use stop-loss orders and other risk management tools to minimize potential losses.

Diversification: Diversify your portfolio to spread risk across different assets and reduce the impact of a downturn in any single market.

For secure and efficient transfers of funds, leverage TransFi's Payouts feature.

10.Set Slippage to Avoid Sandwich Attacks

Slippage is the difference between your requested and executed trade price. Set your slippage tolerance on decentralized exchanges (DEXs) to avoid sandwich attacks, where malicious traders manipulate prices. A slippage of 0.5-2% can protect you, but setting it too low might prevent your transaction from being fulfilled.

Managing Slippage:

Set Tolerance: Adjust your slippage tolerance settings on DEXs to balance between transaction success and protection against sandwich attacks.

Monitor Transactions: Keep an eye on your transactions to ensure they are executed at the expected price.

Use Trusted DEXs: Stick to reputable and well-known decentralized exchanges to minimize the risk of malicious activities.

FAQs

How can individuals benefit from using Web3 platforms and services?

Individuals can benefit from Web3 platforms by having more control over their data, increased privacy and security, reduced fees from intermediaries, access to decentralized finance services, and the ability to truly own digital assets. Web3 promotes a more transparent and user-centric internet experience.

What are the potential challenges or limitations of adopting Web3?

Adopting Web3 comes with several significant challenges. One major issue is scalability. As Web3 platforms grow, the volume of data and number of transactions increase substantially, often leading to slower transaction times and higher fees. Current blockchain infrastructures struggle to scale efficiently, though solutions like sharding and layer-2 protocols are being developed.

User privacy is another concern. Blockchain's transparency can expose personal data, raising privacy issues. Even with encryption, ensuring complete privacy while maintaining transparency is a critical challenge.

Regulatory uncertainty also poses a significant hurdle. Governments and regulatory bodies are still trying to classify and regulate digital assets, leading to legal risks for users and developers. This lack of clear regulation can hinder investment and widespread adoption of Web3 technologies. Addressing these challenges is essential for the successful and widespread adoption of Web3.

How does blockchain technology play a role in the development of Web3?

Blockchain technology is the backbone of Web3, providing secure, transparent, and decentralized data storage. It ensures that data is stored securely and transparently across a decentralized network, making it nearly impossible to alter or tamper with the data. This transparency builds trust among users as they can independently verify the integrity of the information.

The immutable nature of blockchain means that once data is written, it cannot be changed or deleted, ensuring the integrity of transactions and records. This characteristic is crucial for applications like digital identity, supply chain management, and financial services within Web3.

By leveraging smart contracts, blockchain enables autonomous operations without intermediaries. These self-executing contracts automatically enforce the terms of agreements based on predefined conditions, reducing the need for third-party involvement and increasing efficiency and trust.

What are the key features of Web3 that make it revolutionary?

Web3 introduces several revolutionary features that differentiate it from the current web infrastructure. Decentralization is a key aspect, distributing control across a network of participants rather than concentrating data and power in the hands of a few centralized entities. This reduces the risk of single points of failure, enhances security, and empowers users by giving them greater control over their data and digital interactions.

Enhanced security with cryptography ensures that only authorized parties can access and manage digital assets, protecting sensitive information and maintaining trust in a decentralized ecosystem.

Increased user privacy is another important feature. Web3 shifts the focus from centralized data collection to user-owned data, allowing users to control their personal information and decide what to share and with whom. Technologies like zero-knowledge proofs and decentralized identifiers (DIDs) further enhance privacy by allowing users to prove their identity or validate transactions without revealing sensitive information.

These features collectively make Web3 a transformative force, fostering a more equitable, secure, and user-centric internet, and paving the way for a new era of online innovation and collaboration.

How does Web3 technology impact decentralized applications (dApps)?

Web3 technology enhances the security and privacy of decentralized applications (dApps) by removing intermediaries, relying on blockchain for transparency. It ensures data integrity, user control over personal information, and reduces reliance on centralized servers, making dApps more efficient and secure.

CONCLUSION:

Navigating the world of digital currencies and NFTs requires diligence and awareness. By following these ten practical steps, you can safeguard your assets and navigate this digital landscape with confidence. From keeping your private keys offline and practicing self-custody to enabling two-factor authentication and verifying smart contracts, each step plays a crucial role in protecting your investments and ensuring the security of your liquidity pool. Additionally, using reputable services and platforms, managing decentralized interactions carefully, and employing decentralized identities further enhance your security. Understanding market liquidity, having a well-defined exit strategy, and setting appropriate slippage tolerance ensure you are prepared for any eventuality.

The integration of financial services with blockchain technology is revolutionizing the financial system. Decentralized Finance (DeFi) protocols, such as yield farming and flash loans, are redefining how we interact with money, providing new opportunities for earning and borrowing.

As you explore these advancements, take advantage of TransFi's innovative products—Payouts, Collections, and Ramp. These solutions enable seamless integration of blockchain into your business, offering unparalleled efficiency, security, and cost-effectiveness. By doing so, you can confidently harness the power of blockchain technology, ensuring your financial operations are optimized and secure. Welcome to Web3 – where your digital dreams are within reach!

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