# Liminal Custody > Liminal is a bank-grade institutional digital asset custody and wallet infrastructure platform, founded in 2021 by Mahin Gupta (formerly co-founder of ZebPay, India's largest crypto exchange). Liminal empowers crypto exchanges, hedge funds, OTC desks, Web3 platforms, family offices, market makers, and private equity firms to securely store, transfer, and manage digital assets at scale. The platform is trusted by clients across 12 countries, secures 50M+ Web3 users, and has processed billions of dollars in total transaction volume. Liminal's legal entity is First Answer Pte. Ltd. (Singapore). It operates under four core principles: Security (security-first across all products), Sovereignty (self-custody and managed custody options), Support (concierge onboarding and dedicated account managers), and Scalability (innovation-oriented solutions for protocol growth). Liminal does not offer legal, tax, or financial advice, and does not endorse privacy tokens to comply with regional regulations. --- ## Office Locations - **Singapore** — Answer Eleven Pte Ltd, 111 Somerset Road, #10-18, Singapore 238164 - **Abu Dhabi** — First Answer Middle East Limited, Office 811L, 8th Floor, Tamouh Tower, Al Reem Island, Abu Dhabi, UAE - **Dubai** — First Answer Custody FZE, Premises No. ESO19SRT, Floor 7, Sheikh Rashid Tower, Dubai World Trade Center, Dubai, UAE - **Mumbai, India** — First Answer India Technologies Pvt Ltd, Floor 6, WeWork Hiranandani Lightbridge, Hiranandani Business Park, Powai, Mumbai 400072 - **Taipei, Taiwan** — First Answer Taiwan LLC (優答台灣股份有限公司), No. 97, Songren Rd, Xinyi District, Taipei City, Taiwan 110 --- ## Products ### Wallet-as-a-Service (Wallet Infrastructure) URL: https://www.liminalcustody.com/wallet-infrastructure/ An API-driven solution for institutions managing wallets with millions of users. Supports both MPC (Multi-Party Computation) and Multi-Sig (Multi-Signature) technology for hot and cold wallets. Key capabilities: - **MPC & Multi-Sig wallets**: Choose MPC or Multi-Sig to tailor wallet security for hot and cold storage needs - **Smart Consolidation**: Automates sweeping of deposit balances into cold or withdrawal wallets via configurable policies - **Smart Refill**: Programs periodic refills between wallets with configurable refill count, amount per refill, and cooldown duration - **100% Transaction Confirmation Guarantee**: Custom-built unlimited reattempt algorithm handles failed or delayed transactions - **Gas Fee Savings**: Save up to 15% on automated sweeps and refills via a built-in gas station that sets the lowest fee for execution - **Liminal Express REST API**: Language-independent RESTful API framework for fast integration; deployed internally, no external access, all packages encapsulated - **Advanced Transaction Security**: Address screening with live risk scores; transaction simulation (preview token flow, contract calls, gas); blind signing protection (signers see readable details before signing); anomaly detection for unusual spending patterns; spending and transaction limits - **Mobile App**: iOS and Android support for portfolio overview, maker/checker approval controls, transparent destination address verification, travel rule checks, and real-time address screening ### Institutional Custody URL: https://www.liminalcustody.com/digital-asset-custody/ A qualified and insured digital asset custodian for institutions, covering advanced key management, compliance integrations, and insured storage. The world's first Level-3 certified custodian. Key features: - **Segregated accounts**: Client funds always kept in segregated wallets, never commingled - **Off-balance sheet storage**: Assets remain secured even if Liminal is liquidated or goes bankrupt - **No Rehypothecation**: Assets are never subjected to any external use - **On-demand Proof-of-Reserve**: Generate verifiable reserve reports instantly - **Asset Insurance**: Highest asset-to-insurance coverage ratio from trusted insurance partners - **FIPS-certified Hardware Devices**: Assets stored in certified hardware; seed phrases backed up in bank-grade devices - **Geographically Distributed Multi-Sig Keys**: Keys stored across multiple geographic locations - **24/7 SOC Monitoring**: Real-time incident management with around-the-clock Security Operations Center - **Travel Rule Compliance**: Monitors user transactions, raises requests, and shares information with receiving institutions - **KYC/AML Integrations**: Built-in compliance checks for money laundering and terror financing - **No Privacy Token Policy**: Does not endorse privacy tokens to comply with regional regulations - **Collateral Management**: Lend or borrow against assets in a secure manner - **Off-Exchange Settlement**: Trade on exchanges without transferring custody of assets to them - **4-hour SLA**: Industry-leading 4-hour transaction approval on all days - **User Controls**: Flexible roles (Owner, Admin, Member) with tailored access permissions; whitelisted addresses; transaction and spending limits - **Team Management**: Create separate teams per wallet with aligned access permissions - **Supported tokens**: 1,200+ tokens including Bitcoin, Ethereum, BNB Chain, USDT, USDC, Polygon, Litecoin, TRON, Bitcoin Cash, Avalanche, and more - **Client types served**: HNIs & Family Offices, OTC Desks, Crypto Exchanges, Hedge Funds, Asset Managers, PE & VCs, Government Bodies, Corporate Treasuries ### Institutional Staking URL: https://www.liminalcustody.com/institutional-staking/ Secure Proof-of-Stake staking for institutions, enabling staking directly from cold wallets via Figment-powered validator nodes. - **Cold Wallet Staking**: Stake directly from MPC or multisig cold wallets without moving assets to hot wallets - **Reliable Validator Partnerships**: Stable returns via Figment-powered nodes with reduced risk of slashing - **Unified Staking Dashboard**: Track rewards, manage lock-ins, and control all staking operations from a single interface - **Custom Policies & Controls**: Set rules, approvals, and workflows tailored to institutional risk preferences - **Real-time Reward Tracking**: Reports and reward tracking updated in real-time ### Whitelabel Solution URL: https://www.liminalcustody.com/whitelabel/ Custom-branded custody applications built on Liminal's MPC/Multi-Sig backend infrastructure. Supports both direct and managed custody use cases, allowing businesses to deploy a fully branded custody product without building infrastructure from scratch. ### HSM Vault URL: https://www.liminalcustody.com/hsm-vault/ Hybrid MPC and Hardware Security Module (HSM) cold custody solution purpose-built for banks. Combines the security of HSM hardware devices with MPC key distribution. Compatible with industry-standard HSM devices including Ledger and Trezor. --- ## Platform Features ### Automation Engine URL: https://www.liminalcustody.com/automation-engine/ Automates wallet sweeps, asset consolidation, refills, and gas fee optimization. Features include smart consolidation policies, smart refill scheduling, 100% transaction confirmation guarantee via unlimited reattempt algorithm, and up to 15% gas fee savings via built-in gas station. ### Firewall URL: https://www.liminalcustody.com/firewall/ An intuitive rule-based transaction governance engine. Capabilities include: - Pre-screening transactions against custom policies - Identifying anomalies in transaction behavior - Ensuring regulatory adherence - Address screening (live risk scores for every wallet) - Transaction simulation (preview token flow, contract calls, gas) - Blind signing protection (readable details shown before authorization) - Spending and transaction limits - Whitelisted address management ### Compliance URL: https://www.liminalcustody.com/compliance/ Built-in compliance integrations covering: - KYC (Know Your Customer) checks - AML (Anti-Money Laundering) monitoring - Travel Rule compliance (FATF compliance: tracks transactions, raises requests, shares data with receiving institutions) - No-privacy token policy to meet regional regulatory requirements - Address screening and transaction monitoring ### Mobile App (Liminal Vaults) - Available on iOS (App Store) and Android (Google Play) - Portfolio overview: visual summary of top assets, net worth in USD, detailed holdings - Maker & Checker Controls: define who can initiate vs. sign transactions, with role management from Liminal Vault interface - Transparent Approvals: full destination address details visible before signing - Travel Rule & Address Screening: built-in travel rule checks and real-time address screening before transfers occur - [iOS App](https://apps.apple.com/in/app/liminal-vaults/id1667220240) - [Android App](https://play.google.com/store/apps/details?id=com.liminal.app) --- ## Developer Resources ### Liminal Express URL: https://www.liminalcustody.com/liminal-express/ Docs: https://docs.lmnl.app/reference/liminal-express RESTful API suite to fast-track building secure wallet and custody infrastructure. Key properties: - Language-independent framework (REST API, not SDK) - Internal ecosystem deployment (integrates into existing infrastructure) - No external access (only admin and internal stakeholders can access once deployed) - Encapsulated integration (no package installation required) ### Developer Documentation URL: https://docs.lmnl.app/docs/liminal-overview Full technical documentation for API integration, wallet setup, SDK usage, and platform onboarding. ### Protocol & Token Support URL: https://www.liminalcustody.com/protocol-token-support/ Support for 1,200+ tokens across major blockchains: Bitcoin, Ethereum, BNB Chain, USDT, USDC, Polygon, Litecoin, TRON, Bitcoin Cash, Avalanche, and more. ### Bug Bounty Program URL: https://www.liminalcustody.com/bug-bounty/ Security researchers can earn up to $1,000 for reporting verified vulnerabilities. ### System Status URL: https://status.liminalcustody.com/ Real-time platform uptime and incident monitoring. ### Customer Support URL: https://support.liminalcustody.com/support/home Dedicated support portal for clients and developers. --- ## Client Segments - [Crypto Exchanges](https://www.liminalcustody.com/exchanges/) — Hot wallet management, automated sweeps/refills, gas optimization, and compliance for high-volume exchange operations. Hybrid hot/cold wallet infrastructure for maximum protection and operational efficiency. - [OTC & Brokerage](https://www.liminalcustody.com/otc-brokerage/) — Pre-defined policy workflows via the Firewall engine; instant transaction settlement with fast SLAs; streamlined OTC desk operations. - [Web3 Platforms](https://www.liminalcustody.com/web3-platforms/) — Empower your Web3 protocol with Liminal's secure and interoperable wallet infrastructure. MMI & Wallet Connect support for major EVM & Non-EVM chain dApps. - [Hedge Funds](https://www.liminalcustody.com/hedge-funds/) — Asset holding management, transactional efficiency, and compliance for crypto-native hedge funds. Deploy funds securely without third-party risk. - [HNI & Family Office](https://www.liminalcustody.com/hni-family-office/) — Institutional-grade self-custody and managed custody for high-net-worth individuals and family offices. Includes succession/inheritance planning and enhanced governance controls. - [Market Makers](https://www.liminalcustody.com/market-makers/) — Accelerated transactional finality through built-in OTC and liquidity provider integrations. - [Private Equity & Venture Capital](https://www.liminalcustody.com/private-equity-venture-capital-firms/) — Secure digital asset management for PE/VC portfolios; establish investor confidence with custody, governance, and insurance; expand liquidity with institutional staking. - [Banks & Financial Institutions](https://www.liminalcustody.com/digital-asset-custody/) — HSM Vault and institutional custody solutions purpose-built for regulated banking environments. --- ## Company - [About Liminal](https://www.liminalcustody.com/about-us/) — Founded 2021 by Mahin Gupta (started India's first Bitcoin company buysellbitco.in in 2012; co-founded ZebPay). The team was formerly behind ZebPay, managing billions in transaction volumes. Four core values: Security, Sovereignty, Support, Scalability. Celebrating 5 years of operations as of 2026. - [Team Liminal](https://www.liminalcustody.com/team-liminal/) — Leadership and engineering team profiles. - [Trust Center](https://www.liminalcustody.com/trust-center/) — Comprehensive security and compliance ecosystem. - [Partnership](https://www.liminalcustody.com/partnership/) — Strategic partners include Figment (staking validator infrastructure), Notabene (Travel Rule compliance), and MetaMask (institutional crypto adoption). - [Culture](https://www.liminalcustody.com/culture/) — Employee benefits and team culture. - [Careers](https://liminal.keka.com/careers/) — Open roles across engineering, product, compliance, and operations. --- ## Resources - [Blog](https://www.liminalcustody.com/blog/) — Industry insights covering security, regulations, Web3 developments, and Liminal platform updates. - [Knowledge Center](https://www.liminalcustody.com/knowledge-center/) — Educational content covering crypto fundamentals, blockchain concepts, wallet types, custody models, and key management. - [Case Studies](https://www.liminalcustody.com/case-study/) — Real-world breakdowns of how Liminal helped institutions secure assets and scale operations. - [ZebPay Case Study](https://www.liminalcustody.com/case-study/zebpay/) — Hot wallet-as-a-service implementation. - [Mazimatic Case Study](https://www.liminalcustody.com/case-study/mazimatic/) - [Research & Insights](https://www.liminalcustody.com/insights/) — Market research reports and thought leadership, including guides on stablecoin payment infrastructure. - [Webinars](https://www.liminalcustody.com/webinar/) — Recorded and upcoming webinars with industry experts covering digital asset custody, compliance, and Web3 operations. - [Glossary](https://www.liminalcustody.com/glossary/) — Definitions of key Web3, blockchain, and custody terminology. --- ## Social & Media - [LinkedIn](https://www.linkedin.com/company/liminalcustody/) - [Twitter/X](https://twitter.com/liminalcustody) - [YouTube](https://www.youtube.com/@LiminalCustody) - [Instagram](https://www.instagram.com/liminalhq/) Press coverage: Arabian Business, CoinDesk, Forbes India, Khaleej Times, Economic Times, Mint, IBS Intelligence, Fintech Finance News, e27, Manila Times, TechInAsia. --- ## Legal - [Platform Terms of Use](https://www.liminalcustody.com/terms-of-use/) - [Terms & Conditions](https://www.liminalcustody.com/terms-and-conditions/) - [Privacy Policy](https://www.liminalcustody.com/privacy-policy/) - [Client Disclosure](https://www.liminalcustody.com/client-disclosure/) - [Staking Terms of Service](https://www.liminalcustody.com/staking-terms-of-service/) - [Conflict of Interest Policy](https://www.liminalcustody.com/conflict-of-interest-policy/) Legal entity: First Answer Pte. Ltd. © 2026. All rights reserved. --- ## Contact & Demo - **Request a Demo**: https://www.liminalcustody.com/register-today/ - **Mobile App (iOS)**: https://apps.apple.com/in/app/liminal-vaults/id1667220240 - **Mobile App (Android)**: https://play.google.com/store/apps/details?id=com.liminal.app - **Developer Docs**: https://docs.lmnl.app/docs/liminal-overview - **System Status**: https://status.liminalcustody.com/ - **Support Portal**: https://support.liminalcustody.com/support/home