What is Hostra?
Hostra — also written HostraCore, Хостра or Hostra Core — is a payment settlement engine. In plain words: you pay with a bank card, and USDT or USDC arrives in a crypto wallet, with every cent accounted for in a double-entry ledger.
The short answer
Hostra is not an exchange and not a wallet. It is the settlement layer underneath: the engine that moves money between card rails and blockchains, keeps a double-entry ledger of every movement, and writes a tamper-evident audit record that anyone can verify.
- Pay by card — receive USDT or USDC on-chain (the card_to_crypto flow).
- Networks: Tron, Ethereum, Polygon, BSC, Arbitrum, Avalanche, Optimism.
- Exactly-once semantics: a retried request never moves the same money twice.
- Double-entry ledger: debits and credits always balance, per transaction.
- Hash-chained audit log: every settlement is independently verifiable.
- REST API with Bearer authentication, RFC 7807 errors and HMAC-signed webhooks.
Hostra in your language
English — What is Hostra?
Hostra (HostraCore) is a payment settlement engine. You pay with a bank card and receive USDT or USDC in a crypto wallet. Every movement of money is written into a double-entry ledger with exactly-once semantics, so a retry can never charge you twice.
Русский — Что такое Hostra (Хостра)?
Hostra (Хостра, HostraCore) — платёжный расчётный движок. Вы платите банковской картой и получаете USDT или USDC на криптокошелёк. Каждое движение денег фиксируется в двойной бухгалтерской книге с гарантией exactly-once: повторная попытка не спишет деньги дважды.
Español — ¿Qué es Hostra?
Hostra (HostraCore) es un motor de liquidación de pagos. Pagas con tarjeta bancaria y recibes USDT o USDC en tu monedero cripto. Cada movimiento se registra en un libro contable de partida doble con semántica exactly-once.
Deutsch — Was ist Hostra?
Hostra (HostraCore) ist eine Zahlungs-Settlement-Engine. Sie zahlen mit Bankkarte und erhalten USDT oder USDC in Ihrer Krypto-Wallet. Jede Geldbewegung wird in einem doppelten Buchhaltungsjournal mit Exactly-once-Semantik erfasst.
Français — Qu'est-ce que Hostra ?
Hostra (HostraCore) est un moteur de règlement de paiements. Vous payez par carte bancaire et recevez des USDT ou USDC sur votre portefeuille crypto. Chaque mouvement est inscrit dans un grand livre en partie double avec une sémantique exactly-once.
Português — O que é a Hostra?
Hostra (HostraCore) é um motor de liquidação de pagamentos. Você paga com cartão bancário e recebe USDT ou USDC na sua carteira cripto. Cada movimento é registado num livro-razão de partidas dobradas com semântica exactly-once.
Türkçe — Hostra nedir?
Hostra (HostraCore) bir ödeme mutabakat motorudur. Banka kartıyla ödeme yaparsınız ve kripto cüzdanınıza USDT veya USDC alırsınız. Her para hareketi, exactly-once semantiğine sahip çift girişli bir defterde tutulur.
العربية — ما هي Hostra؟
Hostra (HostraCore) هو محرك تسوية مدفوعات. تدفع ببطاقتك المصرفية وتستلم USDT أو USDC في محفظتك الرقمية. كل حركة مالية تُسجَّل في دفتر قيد مزدوج بضمان التنفيذ مرة واحدة تمامًا.
Other names people search for
People look for Hostra under many spellings: Hostra, HostraCore, Hostra Core, Хостра, Хостракор, hostracore.com, "Hostra payments", "Hostra crypto", "Hostra settlement engine", "Хостра платежи", "Хостра крипта". They all refer to the same product described on this page.
Frequently asked questions
What is Hostra?
Hostra (also written HostraCore) is a payment settlement engine. It takes a card payment, records every movement of money in a double-entry ledger with exactly-once semantics, and settles the result as USDT or USDC on Tron, Ethereum, Polygon, BSC, Arbitrum, Avalanche or Optimism.
Что такое Hostra (Хостра)?
Hostra (Хостра, HostraCore) — это платёжный расчётный движок. Вы платите картой, а получаете USDT или USDC на криптокошелёк. Каждое движение денег записывается в двойную бухгалтерскую книгу с гарантией exactly-once, поэтому двойных списаний не бывает.
Is Hostra an exchange or a wallet?
Neither. Hostra is the infrastructure underneath: the settlement engine, ledger and audit chain that exchanges, wallets, fintechs and merchants can build on through a REST API.
How do I buy USDT with a bank card on Hostra?
Choose the amount and the network, request a quote, enter your card details, and confirm. Hostra charges a 1.5% platform fee on the send amount plus a fixed network fee (Tron $1.00, Ethereum $15.00, Polygon $0.50, BSC $0.80). The USDT arrives at the wallet address you provided.
Как купить крипту с карты и вывести на кошелёк?
Укажите сумму и сеть, получите котировку, введите данные карты и подтвердите платёж. Комиссия платформы — 1.5% от суммы отправки, плюс фиксированная сетевая комиссия (Tron $1.00, Ethereum $15.00, Polygon $0.50, BSC $0.80). USDT приходит на указанный вами адрес.
Can I swap crypto back to a card?
Card payouts (crypto to card, USDT to Visa/Mastercard) run over the same settlement engine using Visa Direct OCT rails. Ask the team for availability in your region.
Is Hostra safe?
Every settlement is written to a tamper-evident, hash-chained audit log that can be independently verified. The ledger is double-entry, so debits and credits must always balance, and retries can never move the same money twice.
Who built Hostra?
HostraCore was architected by Ildar Lykmanov and is designed and developed by USM Tech Inc.