Compare Avalanche vs. Callisto Network

Since 2017, we’ve helped over 400 organizations—ranging from exchanges to financial institutions—manage more than $110B in digital assets. Our services include robust support for staking, blockchain nodes, APIs, DeFi, and MPC wallets, all backed by a globally resilient architecture built for security, compliance, and scale.

CEX.IO is a licensed and versatile cryptocurrency exchange that was founded in 2013 and has since established offices in various countries, including the UK, US, Ukraine, Cyprus, and Gibraltar. With a user base exceeding 3 million worldwide, CEX.IO ensures dependable services through cold storage of cryptocurrencies, robust financial health, top-notch security measures, and adherence to KYC/AML regulations. Notably, CEX.IO was among the pioneer platforms to facilitate easy fiat-to-crypto transactions by allowing customers to make payments via credit cards and bank transfers. Presently, the exchange offers a diverse range of trading options for cryptocurrencies such as Bitcoin, Bitcoin Cash, Ethereum, Ripple, Stellar, Litecoin, and Tron, among others, which can be traded for fiat currencies like USD, EUR, GBP, and RUB. Understanding the importance of accessibility, CEX.IO has developed trading capabilities through its website and mobile applications for both iOS and Android, as well as through WebSocket and REST API to cater to different user preferences. This commitment to adaptability ensures that clients can engage in trading activities anytime and anywhere.

ND Wallet is a white-label, fully customizable crypto wallet solution tailored for businesses seeking to launch a secure, non-custodial wallet rapidly. Supporting a wide range of blockchains such as Bitcoin, Ethereum, Solana, Polygon, and TRON, it also handles popular token standards including ERC-20, TRC-20, and SPL. The wallet offers NFT compatibility, catering to the growing digital asset market. Utilizing MPC technology and end-to-end encryption, ND Wallet guarantees users maintain complete control over their private keys. It includes optional KYC/AML integration to meet regulatory requirements when needed. Available on iOS and Android, ND Wallet features real-time transaction tracking, Web3 login capabilities, and an optional secure messenger for crypto payments within chat. This makes it a versatile solution for startups, NFT platforms, DeFi projects, and enterprises. Its extensive blockchain and UI customization options help businesses create a branded and user-friendly experience.

Nexo is a premier digital assets wealth platform designed to empower clients to grow, manage, and preserve their crypto holdings. Our mission is to lead the next generation of wealth creation by focusing on customer success and delivering tailored solutions that build enduring value, supported by 24/7 client care. At Nexo, we understand that building wealth isn’t one-size-fits-all. That’s why we give you the power to choose how your assets grow. Whether you value flexibility or want to lock in higher returns, Nexo puts your goals in your hands. Earn daily compounding interest on your crypto and stablecoins with Flexible Savings. Spend, trade or withdraw them anytime, while you enjoy up to 14% annual interest. Go for the long-term and earn as high as 16% annual interest with Fixed-term Savings. Your crypto deserves to grow alongside your ambitions. At Nexo, we also believe in empowering you to make the most of your portfolio. Why sell your digital assets and miss on gains, when you can leverage them? With Nexo’s crypto Credit Line, you can unlock liquidity without selling a single coin. Grow your buying power and enjoy rates as low as 2.9%. Build your wealth, your way with Nexo.

RallyFuel bridges the gap between college athletes, fans, and brands by facilitating verified NIL (Name, Image, Likeness) agreements. Our innovative platform simplifies the entire NIL journey, encompassing everything from discovering and negotiating deals to ensuring compliance and managing payment transactions seamlessly. Through our service, athletes can effectively monetize their personal brands via various avenues such as fan engagements, autographs, public appearances, social media promotions, and collaborations with brands. Fans, in turn, enjoy genuine connections with their cherished college athletes through clear and compliant transactions aligned with NCAA regulations. Highlighted features include: - Authentic athlete profiles - Secure payment systems - Tools for NCAA compliance - Standardized deal templates and contracts - Analytics to track performance - A direct marketplace connecting fans and athletes Designed specifically for the evolving landscape of college athletics, RallyFuel guarantees that every interaction is transparent, compliant, and advantageous for athletes, fans, and educational institutions alike, fostering a supportive community around college sports. Our commitment to transparency ensures all parties involved can trust the process and feel empowered in their engagements.

Square POS is a simple, intuitive point-of sale (POS) solution. It provides a rich set of tools for inventory tracking, sales tracking, online payment processing and digital receipts. Square POS is available for Android and iOS devices. It records transactions offline by storing data locally, then automatically syncing information when there is an Internet connection. Square POS allows users to manage details such as names, prices and quantities. It also offers features such as a barcode scanner and discounts, credit card processing and gift cards, refunds and more.

Since 2010, FastBound’s Electronic A&D and Electronic 4473 FFL software has processed more than one billion transactions for thousands of Federal Firearms Licensees (FFLs). FastBound is not a jack of all trades; we are a master of one: firearms compliance software. Our expertise and responsive support are two big reasons why software companies trust FastBound more than any other provider to handle their firearms compliance for them. FastBound offers a robust API and syncs effortlessly with a growing list of point of sale (POS), enterprise resource planning (ERP), and other software packages. FastBound includes an attorney-backed compliance guarantee. FastBound is proud to be 100% developed and supported in the USA.

Podium is a comprehensive AI-driven platform designed to streamline lead management and customer communication for businesses, currently serving more than 100,000 customers. Its flagship feature, the AI Employee, guarantees round-the-clock engagement with leads, enabling faster responses that translate into higher conversion rates and increased sales. Businesses benefit from a unified dashboard that merges calls, texts, payment requests, and bulk messaging to nurture prospects and drive repeat business effectively. Podium’s intelligent automation handles customer inquiries seamlessly across all communication platforms, ensuring consistent and accurate messaging. The company has gained industry acclaim, appearing on Forbes’ Next Billion Dollar Startups, the Inc. 5000, and Fast Company’s World’s Most Innovative Companies lists. Founded in 2014 and headquartered in Lehi, Utah, Podium enjoys backing from top investors such as Accel, Summit Partners, GV, and Y Combinator. Its platform empowers businesses to build lasting customer relationships through efficient, AI-enhanced communication. Podium continues to innovate, helping companies scale their lead conversion efforts globally.

Reliable cloud-based email hosting includes features such as spam filtering, antivirus protection, ample storage, and webmail access. It seamlessly integrates with Outlook as well as various other POP3/IMAP clients. For users with high sending needs, it offers a robust SMTP service designed for responsible senders. Additionally, there is an outbound relay service tailored for transactional emails, marketing campaigns, newsletters, and diverse applications. The infrastructure supports dedicated email servers, clustering, and multiple IP load balancing to accommodate high-volume senders effectively. With a fixed monthly fee, users benefit from unlimited sending capabilities and reputation monitoring. Greatmail stands out as an email service provider (ESP) focused on delivering business-class email hosting, SMTP hosting, and specialized email servers. Furthermore, for ISPs, software developers, and cloud architects, we also create custom solutions featuring dedicated IP servers and load-balanced configurations with multiple servers to meet specific processing needs. This commitment to adaptability ensures that all clients receive the best possible service, tailored to their unique requirements.

Juspay's Payments Orchestration Platform offers a comprehensive product suite for businesses, including open-source payment orchestration, global payouts, seamless authentication, payment tokenization, fraud & risk management, end-to-end reconciliation, unified payment analytics & more. The company’s offerings also include end-to-end white label payment gateway solutions & real-time payments infrastructure for banks. These solutions help businesses achieve superior conversion rates, reduce fraud, optimize costs, and deliver seamless customer experiences at scale. Trusted by leading enterprises across the US, Europe, LatAm and APAC, Juspay simplifies global go-to-market without writing a single line of code: - Integrate 300+ local payment methods across 50+ countries in minutes, not months. - Design a pixel-perfect checkout UI that balances local payment methods with your brand. - Deploy seamlessly across all platforms with powerful AB testing frameworks. - Launch customizable offers & incentives to boost customer retention. - Reconcile your transactions across multiple PSPs and get consolidated & customized settlement reports. - Track PSP performance across dimensions, and analyze buyer conversion across the funnel on a customized analytics dashboard. Juspay’s platform is everything you need to master payments – a future-ready stack built for global scale, higher conversions, and enterprise-grade reliability.