S E Q U E R E

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We build secure, scalable blockchain apps�NFTs, DeFi, smart contracts, and Web3 platforms tailored to your business needs.

Secure Cold Storage Wallet Development

Provide users with ultra-secure cold storage wallets designed for offline protection of cryptocurrencies, ensuring the highest level of safety against hacks and unauthorized access.

Mobile crypto wallet interface
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Cold Storage Wallets Developed
5
Supported Cryptocurrencies & Standards
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Offline Security & Reliability
24
Dedicated Support Hours

Secure Cold Storage Wallet Development

Building ultra-secure cold storage wallets that keep cryptocurrency assets offline, protecting them from hacks, theft, and unauthorized access.

Multi-chain support

Multi-Currency Support

Safely store multiple cryptocurrencies offline, including Bitcoin, Ethereum, and more, with full control of private keys.

Security features

Military-Grade Encryption

Offline storage secured by advanced encryption algorithms, protecting private keys from cyber threats.

DeFi integration

Seamless Hardware Wallet Integration

Connect easily with popular hardware wallets like Ledger and Trezor for enhanced offline asset security.

Multi-Signature

Multi-Signature Authorization

Increase security by requiring multiple private keys to approve transactions from cold storage wallets.

NFT support

Cold Storage Portfolio Management

Securely manage and monitor all offline-stored assets with easy-to-use portfolio tracking and reporting.

Token swap

Offline Transaction Signing

Sign transactions offline with secure key storage, eliminating exposure of private keys during transfers.

Biometric Authentication

Biometric Access Control

Fingerprint and facial recognition unlock the cold storage wallet interface, adding an extra layer of physical security.

Cold Storage

Robust Cold Wallet Integration

Seamlessly integrate with hardware wallets and offline vaults for maximum asset protection and peace of mind.

Compliance tools

Privacy & Compliance

Incorporate privacy-focused compliance tools including offline KYC options, preserving confidentiality and regulatory adherence.

Cold Storage Wallet Development Service

We develop ultra-secure cold storage wallets designed to store private keys offline, ensuring maximum protection for digital assets against online threats and hacks.

Offline Cold Wallet Devices

Cold storage device
  • Secure offline storage of private keys with no internet exposure
  • Physical device encryption and tamper-evident hardware design
  • QR code and USB connectivity for secure transaction signing
  • Easy setup with intuitive user interface for safe asset management
  • Cold signing process to authorize transactions without compromising security

Web-Enabled Cold Wallet Interfaces

Web wallet interface
  • Secure web interfaces paired with offline cold wallets for transaction verification
  • Supports hardware wallet integration to keep keys offline at all times
  • Responsive design ensuring smooth operation across desktop and mobile browsers
  • Encrypted backups and secure recovery options for cold wallet credentials
  • Admin controls to manage multiple wallet users with customizable permissions

Mobile-Compatible Cold Wallet Solutions

Mobile compatible cold wallet
  • Bluetooth-enabled cold wallets to securely sign transactions via mobile devices
  • Robust tamper-proof design to protect keys even when transported physically
  • Supports multiple blockchain standards for versatile asset management
  • Seamless pairing with mobile apps enabling secure offline key usage
  • Secure PIN and biometric protection to prevent unauthorized access

Enterprise-Grade Security for Cold Storage Wallets

Our cold storage wallets implement advanced security layers designed to safeguard private keys offline, mitigating risks from hacking, malware, and phishing attacks:

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Offline Private Key Encryption

All private keys are stored and encrypted in an offline environment using state-of-the-art AES-256 standards, eliminating exposure to internet threats.

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Multi-Factor Transaction Signing

Transactions require multiple physical or digital authorizations, combining cold wallet devices with biometric or PIN authentication for maximum protection.

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Secure Recovery and Backup

Robust seed phrase backup protocols and encrypted social recovery options ensure that wallet access can be restored without exposing sensitive keys.

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Biometric and PIN Authentication

Cold wallets feature biometric sensors and PIN protection, allowing only authorized users to unlock devices and approve transactions offline.

Cold Wallet User Interface Layer
Offline Encryption & Secure Key Storage Layer
Blockchain Transaction Broadcasting Layer
Hardware Security & Tamper Protection Layer

Robust Cold Wallet Integrations for Crypto Security

Our cold storage wallets offer enterprise-grade integrations to securely interface with key blockchain services while keeping private keys completely offline.

Secure Exchange Access Gateway

Facilitate cold wallet access to major exchanges through air-gapped transaction signing—ensuring no internet exposure while enabling asset management.

DeFi Signing Integration

Sign transactions offline for DeFi protocols including staking and yield farming—delivered through secure QR or USB-based operations.

Cold NFT Asset Custody

Safely store NFTs offline with support for multiple standards (ERC-721, ERC-1155), while enabling secure, signed transactions for transfers or auctions.

Cold Wallet Payment Authorization

Enable crypto payments via offline signing with built-in royalty tracking and multi-party validation for secure high-value transfers.

Our Development Process

A transparent, security-first approach to building your ideal cold storage wallet

1

Requirement Analysis

We evaluate your storage needs, compliance mandates, and security goals to craft a tailored cold wallet solution.

2

Architecture Planning

Design of air-gapped infrastructure, key generation protocols, and transaction flow architecture for zero internet exposure.

3

UI/UX Prototyping

Design simplified and secure interfaces for transaction creation, QR generation, and status monitoring without compromising safety.

4

Development

Agile coding of firmware, signing logic, secure data encoding, and device pairing mechanisms for hardware wallets.

5

Security Audit

Thorough offline system testing, penetration audits, and validation of signing logic by external cybersecurity experts.

6

Deployment & Maintenance

Setup of secure environments, distribution of physical units, and optional on-site support for system management and updates.

Ready to Launch Your Cold Storage Wallet?

Our blockchain experts are ready to discuss your project requirements and deliver a customized wallet solution that meets your business goals.

Wallet app mockup

Trusted by 500+ happy customers Worldwide

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