Storing Bitcoin safely can feel complex.
But it’s crucial to protect your investment.
In 2024, this guide will detail the safest ways to store Bitcoin.
We will cover hardware wallets, cold storage, and essential security tips.
Stop worrying about theft and learn how to secure your Bitcoin today.
Keep reading for a step-by-step breakdown.
Safest Ways To Store Bitcoin
- Hardware wallets offer offline security.
- Cold storage provides added protection.
- Step-by-step setup for both methods.
1. Use Hardware Wallets
Offline storage ensures security
Using hardware wallets is the safest way to store Bitcoin because they store the private keys offline. Offline storage means your keys aren’t accessible through the internet, making it tough for hackers to reach your Bitcoin.
Common brands: Ledger, Trezor
The most popular hardware wallet brands are Ledger and Trezor. These wallets are known for high security standards and ease of use, making them suitable for both beginners and experienced users.
Steps to set up a hardware wallet
- Buy a hardware wallet:
- Purchase a hardware wallet from the official website of Ledger or Trezor.
- Ensure that the package is sealed and has not been tampered with.
- Install the software:
- Connect your hardware wallet to your computer.
- Download and install the official software from the manufacturer’s website (Ledger Live for Ledger, Trezor Suite for Trezor).
- Initialize the wallet:
- Follow on-screen instructions to set up your wallet.
- Create a new wallet and generate a new set of seed phrases. Write these down immediately—never store them electronically. Your seed phrase is a series of words used to recover your Bitcoin if the device is lost or broken. As Harsh Agrawal from CoinSutra says: “Your seed key is everything when it comes to keeping your Bitcoin, Crypto assets, and NFTs security.”
- Set a PIN:
- Choose a strong PIN to protect your device from unauthorized access.
- Confirm your PIN to finalize the setup.
- Transfer Bitcoin to the wallet:
- Open your Bitcoin wallet in the installed software.
- Copy your Bitcoin address and paste it into the exchange or platform from which you are withdrawing Bitcoin.
- Confirm the transaction and monitor its completion in the software dashboard.
2. Consider Cold Storage Solutions
Description of cold storage
Cold storage refers to keeping Bitcoin completely offline. This method involves generating and storing private keys in a secure environment, away from any internet-connected device.
How to generate and store cold storage keys
- Set up a clean environment:
- Use a computer that has never been online or freshly installed with an operating system.
- Disconnect this computer from the internet to avoid any risk of hacking.
- Generate keys offline:
- Use open-source software like Bitcoin Core or Electrum to generate your private keys.
- Ensure you’re performing this action in an offline environment.
- Create a paper wallet:
- Print the generated keys on paper or write them down carefully.
- Store the paper wallet in a secure location, such as a safe deposit box. Another method is to etch the keys on a metal plate, which provides fire and water resistance.
Examples of cold storage options
- Paper wallets:
- Simple and cheap way to store Bitcoin offline.
- Ensure the keys are securely generated offline.
- USB drives:
- Store private keys on a non-connected USB drive.
- Encrypt the data on the USB drive for added security.
- Hardware wallets in cold mode:
- Hardware wallets like Ledger and Trezor can also be kept in a cold state, ensuring they are not connected to any network during key generation and storage.
As Investopedia suggests: “Those interested in the safest storage should consider using a non-custodial cold hardware wallet for all of their long-term bitcoin and cryptocurrency storage.”
For those looking for an extensive guide on using cold storage, check out the article “Easy Bitcoin Security: How to Use Cold Storage in 2024” for more detailed guidance.
Both hardware wallets and cold storage options protect your Bitcoin from online threats significantly, but it’s crucial to follow setup steps closely to maintain security.
Bitcoin Wallet Security: Essential Tips
1. Enable Two-Factor Authentication (2FA)
- Added Security Layer: 2FA adds extra security to protect cryptocurrency accounts and transactions.
- Protection Against Hackers: Hackers can’t access your account without the second verification code.
- Safer Transactions: 2FA ensures any crypto transfer needs extra verification.
Importance of 2FA
Two-Factor Authentication (2FA) is essential to keep your Bitcoin safe. It adds an extra layer of security, reducing the risk of unauthorized access. Even if someone knows your password, they cannot access your wallet without the second verification step.
Using 2FA means that any attempt to move your Bitcoin requires an additional code. This makes it much harder for unauthorized transfers to occur. Most crypto exchanges and wallets offer 2FA. It is usually free and easy to set up. Ignoring 2FA can expose your Bitcoin to several risks, including unauthorized access and phishing.
How to Set Up 2FA
- Choose a Method: Start by selecting a 2FA method. The common methods are SMS authentication, mobile authentication apps (like Google Authenticator), and hardware tokens.
- Enable 2FA on Your Wallet: Go to the security settings on your crypto wallet or exchange. Look for the 2FA option and enable it. For detailed steps, refer to the guide on your wallet’s official site or this comprehensive guide.
- Link Your 2FA Device: Follow the on-screen instructions to link your 2FA device. This may involve scanning a QR code with your mobile authenticator app or entering your phone number for SMS.
- Verify and Save Backup Codes: Complete the verification process by entering the code sent to your phone or app. Store your backup codes in a safe place. These codes are vital if you lose access to your 2FA device.
Recommended 2FA Methods
- Mobile Authentication Apps: Google Authenticator and Authy are widely used. They provide a time-based one-time password (TOTP) every 30 seconds.
- Hardware Tokens: YubiKey is a popular hardware token. It is more secure than SMS-based 2FA as it is not susceptible to SIM swapping attacks.
- SMS Authentication: While better than no 2FA, SMS-based 2FA is less secure due to the risk of SIM swapping.
For the best security, use mobile authentication apps or hardware tokens. They offer stronger protection compared to SMS.
2. Regularly Update Wallet Software
- Benefits of Updating Software: Keeps your wallet secure from vulnerabilities.
- How to Check for Updates: Regularly check the wallet provider’s official website or app.
- Best Practices for Updating: Always download the latest version from the official source.
Benefits of Updating Software
Regularly updating your wallet software is crucial. Updates often come with security patches that protect your Bitcoin from new vulnerabilities. Not updating can expose your wallet to hacks and malware. Updated software includes new features and better performance, making your user experience smoother.
How to Check for Updates
- Visit Official Sources: Always check for updates from the official website or app of your wallet provider. Avoid downloading updates from third-party sources.
- Enable Auto-Updates: If available, enable auto-updates in your wallet settings. This ensures you always have the latest security patches.
- Regular Check: Make a habit of checking for updates weekly. This can be done by visiting the wallet’s official site or checking update sections in the app.
Best Practices for Updating
- Backup Before Updating: Always backup your wallet before updating. This ensures you will not lose your Bitcoin if something goes wrong during the update. Learn more about creating backups in this detailed guide.
- Download Only From Official Sources: Always download updates from your wallet provider’s official site.
- Verify Updates: If possible, verify the authenticity of the update files. Some wallets provide a signature file you can check to ensure the update is legitimate.
Is it safe to keep Bitcoin in a wallet?
Yes, keeping Bitcoin in a wallet is safe if you follow best practices like enabling 2FA and regularly updating your wallet software. Always use hardware wallets or cold storage for long-term holding. Avoid sharing your wallet address publicly unless necessary and ensure your backup practices are secure.
By following these essential tips, you can greatly enhance the security of your Bitcoin wallet. For more detailed steps on Bitcoin security, you may refer to this comprehensive guide.
These practices can protect your Bitcoin from unauthorized access and potential threats.
Best Bitcoin Storage Practices for 2024
1. Diversify Storage Methods
- Spread your Bitcoin storage across different types.
- Use hardware wallets, software wallets, and cold storage.
- Manage multiple storage methods to increase safety.
Why Diversification is Important
Storing Bitcoin in multiple ways can reduce the risk of losing all your funds to one attack or failure. Each method has its unique vulnerabilities and strengths. For instance, an online wallet might be vulnerable to hacking but offer quick access. In contrast, a hardware wallet is less accessible but more secure. Combining these methods ensures that you are not putting all your assets at risk by relying on one storage type.
Examples of Combining Hardware, Software, and Cold Storage
Hardware wallets like Ledger and Trezor provide high security for offline storage. Software wallets, such as Exodus or Electrum, offer easier access for daily use but should be combined with 2FA for enhanced security. Cold storage options like paper wallets or air-gapped computers provide the highest security against online threats. A practical approach would be to keep a portion of your Bitcoin in a hardware wallet for long-term storage, a smaller amount in a software wallet for transactions, and a backup in a cold storage wallet.
Tips for Managing Multiple Storage Methods
Managing diversified storage methods requires good organization and clear documentation. Use a secure password manager to keep track of passwords and PINs. Write down recovery phrases on paper and store them in a safe place. Regularly review and update your methods to keep up with new threats and advancements in technology. Also, conduct security audits every few months.
2. Backup Private Keys Securely
- Critical for recovering lost Bitcoin.
- Use paper wallets or encrypted USBs for backups.
- Follow secure steps to create and store backups.
Importance of Backup
Losing a private key means losing access to your Bitcoin. Backups provide a recovery method if the original storage is compromised or damaged. Regular backups are essential to ensure that your funds remain accessible even if hardware fails or software gets corrupted.
Methods for Secure Backup
Paper wallets are one of the simplest and most secure ways to backup private keys. They involve writing down your private key on paper and storing it in a safe place. Encrypted USB drives offer another secure option. They provide a digital backup that is protected by encryption, making it difficult for unauthorized users to access your private keys.
Steps to Create and Store Backup
- Generate a private key using a trusted and secure wallet application.
- Write down the private key and recovery phrase on paper. Ensure no digital copy exists.
- If using an encrypted USB, transfer the private key to the USB and encrypt it using strong encryption software.
- Store the paper wallet or the encrypted USB in a safe place, like a safe deposit box or a secure home safe.
- Create multiple copies and store them in different locations to safeguard against loss or damage.
3. Regularly Update Hardware and Software Wallets
- Prevents exploitation of known vulnerabilities.
- Check for updates from official sources.
- Follow best practices for applying updates.
Benefits of Regular Updates
Regularly updating your wallet software and firmware is crucial. Updates often include patches for security vulnerabilities discovered since the last version. Keeping your hardware and software wallets up to date ensures you are protected against known threats. For example, major hardware wallets like Ledger and Trezor provide regular firmware updates to enhance security and features.
How to Check for Updates
Visit the official website of your wallet provider to check for updates. Enable auto-updates if the feature is available. Perform weekly checks for new updates to ensure your wallet is always secure. Avoid downloading updates from third-party sources, as they might contain malicious code.
Best Practices for Updating
Before applying any update, ensure you have backed up your wallet. This prevents data loss in case the update fails. Download updates only from the official provider’s website or app. After updating, verify the integrity of the update using signature files if provided. This step ensures the update has not been tampered with.
4. Educate Yourself Continuously
- Stay updated on security trends.
- Join forums and read articles.
- Participate in webinars and workshops.
Importance of Continuous Education
The world of cryptocurrency is constantly evolving. Staying informed about the latest security threats and best practices is essential for keeping your Bitcoin safe. Continuous education helps you adapt to new strategies that hackers might use and the latest advancements in security technologies.
Platforms for Self-Education
Join cryptocurrency forums like BitcoinTalk and Reddit’s r/Bitcoin. These platforms frequently discuss emerging threats and security tips. Subscribe to newsletters from trusted websites like Coindesk and Cointelegraph. They provide regular updates on the latest trends and news in the cryptocurrency world.
Books and Resources
Read books like “Mastering Bitcoin” by Andreas M. Antonopoulos for a deep dive into Bitcoin’s technical aspects. “The Bitcoin Standard” by Saifedean Ammous offers insights on the economic impacts and long-term value of Bitcoin. These resources provide foundational and advanced knowledge that helps in making informed decisions about Bitcoin security.
5. Be Wary of Phishing and Scams
- Recognize common phishing tactics.
- Verify sources before clicking links.
- Use dedicated security measures.
Recognizing Phishing Attempts
Phishing scams are attempts to steal your credentials by tricking you into clicking fake links. These scams may come via email, social media, or even fake websites. Be suspicious of unsolicited messages asking for your private keys or passwords. Always verify the sender’s authenticity.
Steps to Avoid Phishing
Never click on links from unknown or suspicious sources. Always type the URL directly into your browser. Use a browser extension that warns you of malicious sites. Verify the SSL certificate of a website before entering sensitive information.
Tools and Measures
Use dedicated anti-phishing software to detect and block phishing attempts. Enable Two-Factor Authentication (2FA) on all cryptocurrency accounts. Regularly update your security settings to ensure you are protected against the latest threats. Educating yourself about common scams can also prevent falling victim to them.
By following these comprehensive storage practices, you can greatly reduce the chances of losing your Bitcoin to theft or accidents. Effective Bitcoin storage combines multiple layers of security tailored to your specific needs.
Protecting Bitcoin from Theft: Proactive Measures
- Learn to spot phishing attempts.
- Implement multi-signature wallets.
- Enhance Bitcoin security.
1. Recognize Phishing Attempts
Phishing scams try to trick you into giving away your private information. Criminals use emails, social media, and websites that look real.
What Phishing Looks Like
Phishing emails look like they come from legitimate sources. They ask you to click a link or provide confidential details. Sometimes, emails use logos and designs that look like they are from real companies.
Examples of Common Scams
- Fake Wallet Page: You get a link saying it’s your wallet provider. The site looks real but it’s fake. Entering your details there allows hackers to steal your Bitcoin.
- Imposter Support: Fraudsters pretend to be customer support. They ask for your recovery phrase to “help” you, stealing your funds instead.
Steps to Avoid Phishing
- Check Email Sender: Validate the sender’s email address. Legitimate addresses usually match the company’s domain exactly.
- Look for SSL Certificates: Secure websites have ‘https://’ and a padlock symbol in the URL bar.
- Never Share Private Keys: Your private keys should never be shared, not even with support staff.
- Type URLs Directly: Instead of clicking links, type out the website URL yourself to ensure you visit the correct site.
2. Use Multi-Signature Wallets
What are Multi-Signature Wallets
Multi-signature (multi-sig) wallets require multiple signatures to authorize a Bitcoin transaction. For example, you can set a wallet to need two out of three keys to approve a transfer.
How It Adds an Extra Layer of Security
Multi-sig wallets reduce the risk of theft. Even if one key is compromised, a hacker can’t access your funds without the other keys.
How to Set Up and Use a Multi-Signature Wallet
- Choose a Multi-Sig Wallet Provider: Look into wallet providers like Electrum or Armory.
- Install the Wallet Software: Follow the provider’s installation instructions on your computer.
- Create Multi-Sig Wallet:
- Open the wallet software.
- Select the option to create a new multi-sig wallet.
- Set how many keys are needed (e.g., 2 out of 3).
- Generate and Safeguard Keys:
- Generate the required keys within the software.
- Store each key in a different secure location (e.g., one on a hardware wallet, one on paper, one with a trusted third party).
- Test the Setup:
- Conduct a small transaction.
- Ensure all required keys are needed to approve the transaction.
Using multi-signature wallets makes it harder for criminals to steal your Bitcoin. It’s an essential measure amid the rising number of phishing attempts and crypto thefts.
ADDITIONAL TIPS FOR LIMITING THE RISK OF BITCOIN THEFT
- Enable Two-Factor Authentication for all your accounts.
- Regularly update your wallet software with security patches.
- Stay informed about new scams and security threats.
In 2024 alone, 17,000 cases of crypto theft were reported, resulting in a $1.8 billion loss. By using proactive measures, you can significantly lower the risk of theft.
By recognizing phishing attempts and using multi-signature wallets, busy professionals can better protect their Bitcoin in today’s fast-evolving digital landscape.
Bitcoin Storage Solutions: Trends and Updates
- Institutional storage services are growing, offering new security options.
- Major advancements in software wallets for everyday and long-term use.
- Educational resources for further understanding.
Growth of Institutional Storage Services
Institutional storage services offer secure, off-chain solutions for those holding large amounts of cryptocurrencies. These services aim primarily at institutional investors, providing enhanced security, insurance, and regulatory compliance. Some of the top players in this field include Coinbase Custody, BitGo, and Fireblocks.
Benefits for Individual Investors
Individual investors also benefit from these services as they provide professional storage solutions that reduce the risk of loss or theft. This makes it easier for individuals to hold Bitcoin long term, as the assets are stored in highly secure environments with the added protection of insurance. These services also bring a layer of trust and reliability that individual-led storage methods might lack.
Examples of Services
Coinbase Custody: Known for institutional-grade security, Coinbase Custody provides fully insured storage solutions. The service uses a combination of hot and cold storage, multi-signature wallets, and other advanced security protocols. They also offer 24/7 customer support, making them a robust option for those looking to store significant amounts of Bitcoin securely.
BitGo: BitGo offers a range of products, including hot, cold, and self-custody hardware wallets. Their services come with a $250 million insurance policy, making them a trustworthy option for long-term storage. BitGo also provides multi-signature wallets, which add an extra layer of security.
Fireblocks: Fireblocks delivers enterprise-grade security infrastructure. Their use of SGX (Software Guard Extensions) and MPC (Multi-Party Computation) technology sets them apart. They also offer insurance coverage for assets in transit and storage, ensuring that your Bitcoin remains safe at all times.
Software Wallets Advancements
Software wallets have seen significant advancements in recent years, making them more secure and user-friendly.
Key Changes in Software Wallets
The most notable improvements include advanced security features like multi-signature technology, two-factor authentication (2FA), and options for integrating cold storage. These changes make software wallets a viable option for both daily transactions and long-term storage.
Benefits of Newer Software Wallets
Newer software wallets come with enhanced security measures and greater ease of use. For instance, many now integrate multi-signature technology, requiring more than one key to authorize a transaction. This significantly reduces the risk of unauthorized access. Additionally, two-factor authentication adds another layer of security by requiring a secondary verification code for access.
Software wallets have become scalable too, meaning they can handle larger amounts of Bitcoin with ease, which is crucial for investors holding significant amounts.
Popular Options and Features
Coinbase Custody: While better known for its institutional services, Coinbase Custody also offers software wallets that provide multi-signature models and 24/7 customer support.
BitGo: BitGo’s software wallets come with a range of products, including hot and cold storage options. Their multi-signature wallets are highly secure, and the platform offers additional features like hardware wallet support.
Fireblocks: Fireblocks focuses on enterprise solutions but also offers software wallets for high-security needs. Their use of SGX and MPC technology ensures that assets remain safe even during transfers.
Growth in Educational Resources
With the rise of new storage solutions, more educational resources have become available to help both novice and seasoned investors understand how to hold Bitcoin long-term.
Books and Further Reading
Some key books that delve into the intricacies of Bitcoin storage include “Mastering Bitcoin” by Andreas M. Antonopoulos and “The Bitcoin Standard” by Saifedean Ammous. These books are essential for anyone looking to deepen their understanding of Bitcoin and how to store it safely.
Online Platforms
Forums like BitcoinTalk and Reddit’s r/Bitcoin are useful for staying up-to-date with the latest developments. Newsletters from platforms like Coindesk and Cointelegraph provide timely updates and expert insights into the evolving landscape of Bitcoin storage solutions.
Arguments For and Against New Storage Solutions
For:
- Enhanced Security: New storage solutions provide robust security features that significantly reduce the risk of loss or theft.
- Insurance: Many institutional services offer insurance, adding an extra layer of protection that isn’t available through traditional wallets.
- Ease of Use: Advancements in software wallets make them easier to use, even for non-experts.
Against:
- Cost: Institutional storage services can be costly, which might not be ideal for investors with smaller amounts of Bitcoin.
- Complexity: Despite advancements, setting up multi-signature wallets and two-factor authentication can be complex for beginners.
- Compliance: Regulatory guidelines can vary by region, complicating the use of some services.
Recommendations for Long-Term Storage
For those wondering how to store Bitcoins long-term, the following are highly recommended:
- Use Institutional Storage Services: Services like Coinbase Custody and BitGo offer the most robust security and ease of access.
- Leverage Advanced Software Wallets: Software wallets with multi-signature and 2FA are excellent for added security.
- Educate Yourself: Understanding the nuances of each storage solution is essential. Books and online communities are valuable resources for staying informed.
By staying current with the latest trends and updates in Bitcoin storage solutions, investors can better secure their assets and make informed decisions about how to store their Bitcoin long-term.
Predictions for Bitcoin Storage in 2024
- Summary of upcoming security enhancements.
- Expected regulatory modifications.
- Influence of DeFi developments on storage methods.
1. Increased Adoption of Multi-Layer Security
Explanation of Multi-Layer Security
Multi-layer security combines several protective measures to safeguard Bitcoin. This approach integrates hardware wallets, multi-signature wallets, two-factor authentication (2FA), and cold storage. Each layer adds a unique obstacle for potential attackers, immensely reducing vulnerability.
Predicted Trends for Multi-Layer Security
In 2024, more users and institutions are expected to adopt multi-layer security. This shift is driven by increasing Bitcoin value and corresponding rise in theft attempts. Recent advancements in hardware wallet technology and regulatory pressures are also accelerating this trend.
Technopedia forecasts that Bitcoin will reach a new all-time high of $85,000 in 2024. As Bitcoin’s value surges, maintaining security becomes even more critical. Furthermore, advancements in decentralized identity solutions will likely bolster these security layers. This will make them more user-friendly and widely accepted.
How to Implement Multi-Layer Security
To effectively use multi-layer security, start by integrating hardware wallets like Ledger or Trezor. These store private keys offline, providing robust security against online threats. Combine this with multi-signature wallets that require multiple approvals for transactions, adding another layer of protection.
Implementing 2FA on your wallet is crucial. Apps like Google Authenticator or hardware tokens enhance your security by requiring an additional verification for accesses and transfers. Utilize cold storage for long-term holdings. Generate your private keys offline and use paper wallets or specialized hardware for storage.
For a more detailed guide on securing Bitcoin, refer to “The Best Hardware Wallets for Bitcoin Security in 2024.”
2. Regulatory Changes and Their Impact
Expected Regulatory Updates
In 2024, several countries are likely to tighten regulations surrounding Bitcoin storage. The U.S. SEC’s approval of spot Bitcoin ETFs is seen as a positive catalyst for Bitcoin’s value, prompting regulatory bodies worldwide to update their frameworks.
How These Changes Might Affect Storage Practices
New regulations will likely enforce stricter compliance and security standards on storage solutions. Companies must adhere to enhanced KYC (Know Your Customer) and AML (Anti-Money Laundering) protocols. This means investors must use compliant storage solutions that meet these regulations.
Regulations might also mandate certain types of wallets, particularly those that offer high security and transparency. Collaborative efforts between regulators and tech companies could lead to new, compliant storage solutions.
Tips to Stay Compliant with Regulations
To ensure regulatory compliance, regularly update yourself on new laws and guidelines. Use storage solutions that follow the latest regulations and offer transparent compliance certificates. Engage with industry experts and legal advisors to stay informed.
Companies like Coinbase Custody and BitGo are known for their compliance and security. Choosing such providers can help ensure your storage practices adhere to regulatory requirements. Be proactive and adaptive as regulations can change quickly.
For further insights, read “2024 Guide: Protect Your Bitcoin from Hacking Attempts.”
3. Future of Decentralized Finance (DeFi) and Its Role
How DeFi Could Impact Bitcoin Storage
DeFi platforms are becoming increasingly popular, allowing users to earn interest or use their Bitcoin as collateral. This trend is expected to grow in 2024, impacting how Bitcoin is stored. Instead of keeping Bitcoin dormant in traditional wallets, more users might opt to leverage it through DeFi protocols.
Security Considerations for Using DeFi Platforms
While DeFi offers attractive financial opportunities, it poses significant security risks. Smart contract vulnerabilities can lead to loss of funds. Therefore, it’s essential to use platforms that have undergone rigorous security audits.
Consider splitting your Bitcoin holdings between traditional storage solutions and DeFi platforms to balance security and financial growth. Implement multi-layer security even within DeFi wallets to add an extra layer of protection.
Upcoming DeFi Projects to Watch
Several new DeFi projects in 2024 promise enhanced security features. Projects like Aave and Compound are enhancing their protocols to offer more secure options for Bitcoin storage and usage.
For those looking to engage with DeFi, staying informed about these projects can be beneficial. Research and choose platforms that prioritize security and have a track record of handling vulnerabilities effectively.
To learn more about securing your Bitcoin in various environments, check out “How to Secure Bitcoin on a Mobile Device: Complete Guide (2024).”
Staying Safe with Bitcoin in 2024
Using hardware wallets and cold storage are your best bets for securing Bitcoin. Enable 2FA and keep your wallet software updated. Diversify your methods and back up private keys securely. Stay alert to phishing and consider multi-signature wallets. Keep up with the latest trends and regulations.
Protecting your Bitcoin is more critical than ever. Start by setting up a hardware wallet. Turn on 2FA for all your accounts. Make regular backups of your private keys. Stay informed about new security practices.
What steps are you taking to ensure your Bitcoin is safe?