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The Biturai crypto encyclopedia: AI-assisted, data-informed, and continuously quality-audited.
The Bybit Hack of 2025: Lessons for Secure Signature Processes
The Bybit Hack of 2025 involved the illicit transfer of approximately $1.5 billion in Ethereum, stemming from a sophisticated manipulation of the exchange's internal asset management system. This incident highlighted critical
Ledger Connect Kit Hack 2023: Lessons for Wallet Users
The Ledger Connect Kit hack in December 2023 was a significant supply chain attack that affected decentralized applications. It highlighted critical vulnerabilities in the software supply chain and the importance of user vigilance in the
Physical Threats to Self-Custody: The Wrench Attack
The "wrench attack" describes a scenario where physical force or intimidation is used to compel an individual to surrender access to their cryptocurrency holdings. This method bypasses digital security measures by directly targeting the
Keyloggers and Infostealers: Threats to Crypto Wallets
Keyloggers record keystrokes, while infostealers gather sensitive data from devices. Both pose significant risks to crypto wallets by stealing private keys, seed phrases, and login credentials.
Malicious Browser Extensions: A Threat to Wallet Users
Malicious browser extensions pose a significant, often underestimated threat to cryptocurrency wallet users. These extensions can gain deep access to your browser activity, enabling the theft of sensitive data and digital assets.
Eth_sign Phishing: The Danger of Blind Message Signatures
Eth sign phishing tricks users into signing arbitrary data, which attackers then use to gain unauthorized control over digital assets. This is akin to signing a blank check, leading to irreversible financial losses.
Permit and Permit2 Phishing: Signature-Based Attacks Explained
Permit and Permit2 phishing are sophisticated attacks that exploit token approval mechanisms in decentralized finance. These scams trick users into signing malicious off-chain messages, granting attackers permission to transfer assets
Malicious Token Approvals: Exploiting Unlimited Permissions
Token approvals grant smart contracts permission to spend your digital assets on your behalf, a necessary function for interacting with decentralized applications. However, granting unlimited approvals can expose your funds to significant
Recognizing Manipulated Hardware Wallets in Supply Chain Attacks
A supply chain attack targets vulnerabilities in the production or distribution of hardware, such as crypto wallets, to compromise their security. Identifying manipulated hardware wallets requires vigilance and adherence to strict security
Evil Maid Attacks on Hardware Wallets Explained
An Evil Maid attack involves an adversary gaining temporary physical access to an unattended device to subtly compromise it for future unauthorized access. For hardware wallets, this means an attacker could tamper with the device, its
Fake Wallet Support Scams: Understanding Impersonation Attacks
Fake wallet support scams involve fraudsters impersonating legitimate customer service to trick users into revealing sensitive information or transferring cryptocurrency. These sophisticated social engineering attacks exploit trust and
Seed Phrase Phishing: A Primary Method of Crypto Theft
Seed phrase phishing is a deceptive tactic where attackers trick users into revealing their recovery phrase, granting unauthorized access to their cryptocurrency wallets. This method exploits human vulnerability rather than technical
Wallet Drainers: How Drainer-as-a-Service Steals Crypto
Wallet drainers are malicious code that trick users into authorizing harmful transactions, leading to the theft of cryptocurrencies and NFTs. The rise of Drainer-as-a-Service platforms has made these sophisticated attacks accessible to a
Fireblocks: Explaining Institutional MPC Custody
Fireblocks provides advanced blockchain security services, enabling institutions to manage and secure digital assets through multi-party computation (MPC) technology. This platform addresses critical security and regulatory concerns,
GridPlus Lattice1: Hardware Wallet with SafeCards Explained
The GridPlus Lattice1 is a sophisticated hardware wallet designed for advanced digital asset management. It uniquely combines an always-online device with offline private key storage via SafeCards, enhancing security and usability for
Bitcoin Core Wallet: Understanding the Full Node
Bitcoin Core is the foundational software that enables a user to run a full node, independently verifying all transactions and blocks on the Bitcoin network. This process ensures the highest level of trustlessness and self-sovereignty for
Daedalus: Explaining the Cardano Full-Node Wallet
Daedalus is a desktop wallet for Cardano's ADA cryptocurrency, functioning as a full node that synchronizes and validates the entire blockchain. This provides users with enhanced security and independent transaction verification.
Eternl Wallet: An Advanced Cardano Wallet Explained
The Eternl Wallet is a robust, non-custodial digital wallet designed specifically for the Cardano blockchain, offering users a secure and feature-rich platform to manage their ADA and other Cardano-based assets. It provides advanced
Lace Wallet: IOG's Cardano Wallet Explained
Lace Wallet is a browser-based interface developed by IOG, enabling users to directly interact with the Cardano blockchain. It serves as a secure gateway for managing ADA, NFTs, and decentralized applications within the Cardano ecosystem.
Liana Wallet: Bitcoin Security with Timelock Recovery Explained
The Liana Wallet offers a robust Bitcoin security solution by integrating a unique timelock recovery mechanism. This system ensures self-custody while providing a predefined recovery path for funds after a period of inactivity.