
Asset security refers to protecting your on-chain and exchange-based assets from theft and loss.
This concept focuses on safeguarding assets in two key places: first, wallets you control yourself, and second, accounts you entrust to exchanges. Assets include tokens, stablecoins, NFTs, and fiat deposits.
The private key is the “key” to your assets—anyone with access can transfer your funds. A mnemonic phrase is a set of words that helps you remember and back up your private key.
A hardware wallet stores private keys on a physical device, ensuring the key never touches the internet during transactions. Multi-signature (multi-sig) wallets require multiple parties to approve transfers, reducing single-point-of-failure risk. MPC (multi-party computation) enables collaborative signing by splitting the signature process among several parties, preventing a single-point leak.
On exchanges, common protections include two-factor authentication (2FA), withdrawal whitelists, and anti-phishing codes. These measures control access to login and withdrawals, minimizing the risk of theft.
Because financial risks stem from both human error and system flaws—awareness can dramatically reduce losses.
Most losses don’t result from sophisticated hackers but rather everyday oversights. For example, connecting your wallet to a seemingly legitimate website and signing an “unlimited approval” could allow attackers to drain your tokens.
Device-level threats are also common. Malware infections, compromised browser extensions, or manipulated QR codes can redirect your transactions to an attacker.
If your exchange account lacks 2FA or a withdrawal whitelist, it’s like leaving your door unlocked. If your account credentials or email are breached, attackers can easily withdraw funds.
Understanding asset security helps you develop habits around “pre-checks + layered defenses + emergency recovery,” reducing risk and keeping losses under control.
It combines access management, authentication, isolation, and audit processes.
Different practices exist across exchanges, wallets, DeFi, and NFT scenarios.
For Gate account security, you can enable 2FA, fund passwords, withdrawal whitelists, and anti-phishing codes. Withdrawal whitelists restrict withdrawals to pre-approved addresses; anti-phishing codes display your chosen identifier in official emails to guard against scam support agents. Device management and login alerts help detect and respond to suspicious access promptly.
In spot trading and investment products, setting withdrawal limits and delays reduces the risk of rapid asset depletion after a breach. Always review risk disclosures and lock-up periods on investment products to avoid mistakes that may block withdrawals.
When interacting with DeFi platforms, verify domains and contract sources before connecting your wallet. Use limited approvals for token permissions and regularly revoke unused authorizations via your wallet or external tools. Revoking authorization means rescinding a contract’s ability to move your tokens.
For NFT trading and airdrops, avoid signing unknown messages or “blind signing” requests. Never import unfamiliar mnemonic phrases. Watch for official signature verification notices and phishing domain lists from project channels.
In cross-chain bridge and DAO treasury scenarios, prefer audited bridges with transparent risk controls. DAO treasuries often use multi-sig wallets with multiple approvers and daily transfer limits to prevent errors or single-point theft.
Use structured processes and tools for layered protection—this significantly lowers risk.
Security incidents remain frequent over the past year, with phishing attacks increasing in proportion.
According to annual and quarterly reports released by several security firms in 2025 (including SlowMist, CertiK, Chainalysis), total on-chain losses disclosed publicly during 2025 ranged from $2 billion to $4 billion depending on the source.
Q3 2025 data shows phishing and social engineering attacks made up over half of cases in most samples—mainly via social media links and fake websites prompting unauthorized signatures. Losses from contract vulnerabilities have declined thanks to improved auditing and formal verification coverage.
Compared to full-year 2024, cross-chain bridge hacks have decreased, but wallet approval phishing incidents are more active—user-side protection remains a weak spot.
Platforms and tools have also improved: exchanges now often default to enabling withdrawal whitelists and device management; 2FA adoption rates on public platforms are typically between 80%–95% (per H2 2025 disclosures). Multi-sig and MPC wallet adoption is rising among institutional treasuries; more multi-sig vaults were deployed on-chain in 2025 than in 2024 as risk diversification gains consensus.
These trends reflect attackers shifting toward “tricking users into granting approvals” while defenders adopt “default security settings and pre-transaction simulations.” For regular users, tightly controlling entry points, minimizing permissions, using whitelists, and leveraging simulation tools offer high-value protection aligned with current best practices.
Losing your private key means permanent loss of access to your assets—blockchains are irreversible by design. The private key is your sole proof of asset ownership; without a backup, recovery is impossible. It’s crucial to back up your private key/mnemonic phrase securely (e.g., via hardware wallet or offline paper backup) and periodically verify the integrity of your backup.
Phishing sites mimic legitimate platforms to trick you into entering your private key or authorizing access. To avoid them: always use official channels (bookmark verified URLs; use official apps), double-check URLs for exact matches, never click links from unknown emails/social media sources. On platforms like Gate, always check for security indicators in the browser address bar when operating.
Hardware wallets (like Ledger or Trezor) offer greater security because private keys never leave the device. Hot wallets (mobile apps or web wallets) are more convenient but store keys on internet-connected devices—making them more vulnerable. For large sums, use hardware wallets for cold storage; for small daily transactions, hot wallets are suitable—a combined approach is safest.
Reputable exchanges (such as Gate) implement strict risk controls and fund management systems—but there’s always some risk of hacks or operational failures. Best practices include choosing platforms with strong security records and insurance protections, enabling two-factor authentication and withdrawal whitelists, not leaving large sums on exchanges long-term, and withdrawing periodically into wallets you control.
Short-term traders may keep funds on exchanges for convenience—but long-term holders should transfer assets into personal wallets for greater safety. Especially if you don’t need frequent trading access, hold significant amounts, or have long-term investment plans—you should self-custody your assets. Before withdrawing, double-check your wallet address; always do a small test withdrawal before moving large sums.


