List of OTC projects on Polygon (2026)

Mt Pelerin OTC Brokerage is an over-the-counter desk for large cryptocurrency purchases and cash-outs, serving private and business clients through direct bilateral trades rather than an order book. The desk executes fiat-to-crypto and crypto-to-fiat transactions above a set minimum threshold, with no upper limit on transaction size, and settles across multiple supported cryptocurrencies and fiat currencies.

Transfero Crypto is a crypto-as-a-service platform that provides custody, on/off ramps, swaps, and institutional trading services for digital assets. Businesses use it to store client crypto holdings, convert between fiat and crypto, move assets between wallets and exchanges, and execute large-volume institutional trades without operating their own blockchain infrastructure. The platform serves fintechs, exchanges, wallet providers, and financial institutions expanding into digital asset services, with custody, storage, and transfers powered through an institutional-grade custody partner.

CryptoProcessing OTC Desk is an over-the-counter trading service facilitating large-volume cryptocurrency transactions between businesses, institutions, and high-net-worth clients outside public exchanges. It negotiates prices directly and settles crypto-to-crypto, crypto-to-fiat, and fiat-to-crypto trades with liquidity sourced from major trading venues. The desk allows clients to convert large positions without holding crypto on their own books, operating through a dedicated relationship rather than the standard merchant account.

Liquidity & Conversion is an OTC digital asset liquidity and execution service in which Aquanow acts as principal counterparty for client trades. Clients access pricing and execution through a REST API, a web-based trading portal, or a dedicated OTC desk, with trades settling directly against Aquanow inventory. The service is built for licensed financial institutions that need crypto market access without operating their own trading infrastructure.

Coins TradeDesk is an over-the-counter trading desk for high-volume cryptocurrency and foreign exchange transactions. It connects institutional and high-net-worth clients with dedicated support for negotiating large block trades outside the public order book. The desk operates through its own dedicated account and relationship-based service rather than the standard consumer app.

Blockchain.com Wealth is a premium investing platform for high-net-worth clients that combines a dedicated trading desk, yield-bearing deposit accounts, and crypto-backed loans. Clients place large orders through a concierge desk staffed with relationship managers rather than a public order book, earn yield on deposited assets at a stated rate, and borrow against holdings without selling them. The platform operates through its own account and interface separate from the general consumer application.

Blockchain.com Institutional is a suite of business-facing crypto services accessed through a dedicated institutional account. It provides over-the-counter trading for large orders, digital asset custody, staking, market making for token liquidity, and token launch and distribution support for projects seeking exposure to the platform's user base. Institutional and corporate clients use the suite to trade, safeguard, and generate yield on digital assets through a single relationship rather than separate consumer products.

Bitso Business is a payments infrastructure platform enabling companies to move money across Latin America through local and cross-border rails. It provides multi-currency accounts, pay-ins, mass payouts, stablecoin issuance and redemption, and API access for automated treasury operations. The platform also offers an OTC desk for large block trades and a real-time trading book with post-trade settlement for eligible institutional clients. Businesses use it to settle cross-border payments, manage liquidity, and access deep markets without relying on traditional banking rails alone.

Coinify Trade Solutions is an on/off ramp product that lets individuals, corporations, and institutions buy and sell cryptocurrency for fiat currency. It is delivered as a hosted trading widget embeddable via iframe or SDK, or through a full API integration, handling onboarding, identity verification, quotes, and payment while partners retain UI control if desired. The product also offers personal assistance for large orders, allowing users to trade privately with support from a broker rather than through the standard self-service flow. It serves both direct consumers trading through Coinify branded pages and businesses embedding the trading functionality into their own applications.

Boomfi OTC is an over-the-counter trading desk that facilitates large-volume cryptocurrency transactions through direct bilateral execution. It provides personalized support and access to liquidity for block trades across multiple blockchain networks, minimizing market impact and slippage. The desk settles trades through supported banking networks and multiple fiat currencies for institutional-sized transactions.

Independent Reserve OTC is an over-the-counter trading service providing deeper liquidity, private execution, and competitive pricing for large cryptocurrency orders.

Orbital Platform is a payment network that unifies stablecoin and traditional payment rails for enterprises moving money across borders. It provides multi-currency accounts, named virtual IBANs, stablecoin wallets, and real-time currency exchange, with automated settlement for business transactions. Businesses receive, hold, exchange, and send funds across stablecoins, fiat currencies, and exotic currencies through a single web platform, initiating transfers via the web interface, bulk files, or a dedicated trading desk for large or complex trades. The dedicated desk negotiates tailored pricing for high-value or non-standard currency exchanges outside the standard automated flow.

Archax OTC Desk facilitates institutional over-the-counter cryptocurrency transactions through aggregated liquidity sourcing and riskless principal execution, offering personalized trade execution for digital assets with flexible settlement in fiat or stablecoins.

Stillman Digital is an institutional digital asset trading platform offering market making, OTC execution, custody, and stablecoin settlement services. It operates as a principal OTC desk executing bilateral trades through RFQ workflows, alongside algorithmic market making that supplies continuous liquidity across centralized venues. Clients connect through a web interface or via FIX, WebSocket, and REST APIs, with co-located infrastructure supporting low-latency execution. Digital assets are protected through multi-party computation and cold-storage custody arrangements. A stablecoin settlement network handles cross-border fund transfers and treasury operations across multiple blockchain networks.

Crypto.AM Exchange is an in-person exchange service enabling customers to convert fiat currency into cryptocurrency and back at a physical office in Yerevan, Armenia. Transactions follow a three-step process in which customers visit the office, provide payment or a wallet address, and receive their exchanged assets, with settlement typically completed in under five minutes. There is no minimum transaction amount, though a flat twenty dollar commission applies to transactions under one thousand dollars, and trade sizes range from roughly one hundred to two hundred thousand dollars. The service supports a range of major cryptocurrencies and stablecoins for over-the-counter conversion.

Koywe Stablecoins is an on/off-ramp product that lets businesses convert local currency to and from stablecoins for cross-border treasury operations. It offers a self-serve Ramp for smaller, instant conversions and a dedicated OTC desk with specialist-assisted execution for high-volume trades, both accessed through the same platform and API. Users can buy or sell stablecoins across multiple supported blockchain networks, hold balances for operational use, and withdraw converted funds to local bank accounts. The service targets companies needing faster and cheaper alternatives to traditional wire transfers for moving money across Latin America and other regions.

ForumPay is a merchant payment gateway that lets businesses accept cryptocurrency payments online and in person. It provides checkout widgets, payment buttons, payment links, and a virtual terminal that convert crypto payments instantly into a merchant's preferred fiat currency. The platform also supports recurring subscription billing, automated mass payouts and disbursements, invoice-based billing, over-the-counter trading, remittance transfers, and fiat-to-crypto conversion. Businesses across e-commerce, retail, and service industries use it to accept and send multiple cryptocurrencies without exposure to price volatility.

CoinPay.cr is a consumer digital financial platform that connects traditional financial networks with blockchain networks under a single account. Users manage multi-currency payments, cross-border transfers, and digital assets, buying, selling, and swapping cryptocurrencies, while also accessing a marketplace for gift cards and mobile top-ups. The platform includes an integrated peer-to-peer and merchant payment tool and an over-the-counter service for larger transactions, alongside physical and virtual debit cards and business tools for accepting and requesting payments.

meCash OTC is an over-the-counter trading service that connects users with representatives for large-volume currency and digital asset transactions. The concierge-style service negotiates quotes and settles transfers directly through chat-based communication, covering conversions between fiat currencies and digital assets.

Trade HLUSD is an OTC trading module that enables users to buy and sell HLUSD with stablecoins on multiple networks. Users must claim their stablecoins after selling HLUSD, with gas fees covered on HeLa network.

StableHodl is a yield aggregator that lets users stake stablecoins and earn yield paid in HLUSD. It generates returns through delta-neutral funding and basis arbitrage across crypto exchanges, with staking, claiming, and a points program available in one app. Deposits carry no lock-in period and mint a receipt token that is burned on unstaking. An integrated OTC module lets users buy and sell HLUSD against stablecoins on other networks without bridging, with gas fees covered on the HeLa side.

dOTC is a peer-to-peer trading protocol for large orders using smart contracts, supporting private offers, escrow-based execution, and automated expiration.

ONE.io Fusion is a merchant payment gateway and crypto trading platform for businesses and institutional clients. It lets merchants accept payments in major cryptocurrencies through shareable payment links, converting and settling proceeds into a chosen fiat currency, while a linked OTC desk and automated trading platform let clients buy, sell, and convert crypto and crypto-to-crypto pairs at all-in rates. Both services connect to integrated business accounts for fiat settlement, giving businesses a single account through which to accept crypto payments and trade digital assets. The platform settles received cryptocurrency into fiat, typically on the next working day.

Zodia Markets Trading Platform is an institutional digital asset trading platform combining over-the-counter brokerage with electronic exchange execution for banks, asset managers, and other institutional clients. It provides voice and electronic OTC settlement alongside a streaming e-trading interface, connected through FIX, REST, and WebSocket APIs with an internal matching engine for order execution. The platform supports same-day settlement for the majority of trades, real-time price discovery across multiple digital assets and fiat currencies, and settlement through segregated custodial accounts rather than platform-held wallets. Clients access the service through regional trading portals covering the UK, Jersey, and Middle East, all operating on the same accounts and infrastructure.

Rio is a stablecoin foreign exchange platform that enables businesses and institutions in Latin America to convert between local currencies and stablecoins. It provides real-time on-chain conversion, an over-the-counter desk for large bilateral trades, and continuous liquidity and market-making services for exchanges and fintechs. Developer APIs let companies embed stablecoin conversion and pay-in and pay-out flows directly into their own applications. All offerings share a single account and platform, serving fintechs, exchanges, and institutional clients seeking access to stablecoin liquidity across multiple currencies and blockchains.

HoneyCoin is a payment orchestration platform aggregating multiple payment providers, processors, and blockchain rails into unified API infrastructure for cross-border business payments. Users hold funds in multi-currency wallets supporting fiat and stablecoins, collect payments via bank transfers and mobile money, execute payouts across various markets, convert currencies through an OTC desk, issue virtual cards for expenses, and process bulk payouts for payroll operations.

Digital Asset Liquidity Solutions is a market making service providing continuous two-sided quotes and algorithmic liquidity for digital assets across centralized and decentralized venues. It aggregates liquidity and price data from trading venues to tighten spreads and stabilize order books, while offering over-the-counter execution for large block orders and an options desk that structures custom volatility-based instruments. The service extends to onchain liquidity management, positioning capital across decentralized exchange pools to reduce slippage and execution costs, and to ecosystem development support for blockchain projects seeking liquidity and technical guidance. It serves exchanges, token issuers, and protocols seeking deep, stable markets across multiple blockchain networks.

Rail Payment Infrastructure is a payments orchestration platform that lets businesses accept, convert, and settle funds across fiat currencies and stablecoins through a single API. It aggregates deposit accounts, currency exchange, on-ramp and off-ramp conversions, embedded wallets, and collections into one unified account structure, routing transactions across multiple banking partnerships and blockchain networks. Businesses use it to move value across borders, hold multi-currency balances, and access request-for-quote pricing for large conversions without integrating each capability separately.

Lideflow Payment API is a payments infrastructure platform that connects stablecoins with traditional bank rails and mobile money services for cross-border transfers. It provides unified API and Model Context Protocol tools for sending and receiving payments, converting currencies, opening virtual accounts, routing transactions across payment rails, and running automated compliance checks. Businesses and financial agents use it to settle payments across multiple currencies and stablecoins, including bank and mobile money payouts in African markets. The platform also supports payroll, payment links, subscriptions, card issuance, and an OTC desk alongside its core payment and conversion functions.

FinchTrade OTC Desk is an over-the-counter trading platform that provides institutional crypto-to-fiat and fiat-to-crypto liquidity for payment service providers, exchanges, and other regulated counterparties. It executes large-ticket block trades through firm request-for-quote pricing, settling transactions in fiat or stablecoins within about thirty minutes via a non-custodial architecture. Clients access the service through a web interface, a REST and WebSocket API, or Telegram, and can also convert or move assets across multiple blockchains from a single account.

Skyline Digital Platform is a non-custodial neobank that provides regulated financial services bridging traditional finance and crypto for Web3 businesses, DAOs, and high-net-worth individuals. It lets users convert between crypto and fiat, hold virtual accounts in multiple currencies, and settle payments worldwide using major stablecoins. The platform also supports over-the-counter trades, access to tokenised securities such as short-term treasury instruments, and invoicing tools for tracking and approving payables. Users connect their own non-custodial wallets, including multi-signature and browser-extension wallets, rather than depositing funds into platform custody. Card issuance and crypto-backed lending are offered as additional planned services alongside the platform's compliant privacy features.

Codex FX is a stablecoin-native foreign exchange platform that converts between fiat currencies and stablecoins for payment service providers, fintechs, and neobanks. It provides an on/off-ramp for converting currencies such as the US dollar, euro, and British pound into stablecoins and back at wholesale rates, with settlement. The platform also bridges stablecoins across multiple blockchain networks by acting as principal on both legs of a transfer, avoiding smart contract exposure or slippage, and offers a dedicated swap interface that lets payment operators exchange stablecoins from different issuers at a fixed one-to-one rate. Access is provided through a shared dashboard and API covering quotes, orders, wallets, fiat counterparties, and payment operations.

CoinMENA Exchange is a centralised trading platform for buying, selling, and holding a range of digital assets, available through a web application and mobile apps. Users can place spot and limit orders in local currencies, funding accounts via bank transfer, card, or mobile payment methods, with deposits and withdrawals settled to linked bank accounts. The platform also provides an over-the-counter trading desk for large transactions, offering dedicated account management and preferential pricing for both individual and corporate clients.