How to Buy 一 (USD1_ONE) (一)
Every exchange we track that lists 一, what the buy costs, and what it costs to take 一 with you afterwards.
None of the exchanges we track currently accepts 一 deposits or withdrawals, so we have no venue to point you at. That usually means the token trades only on a decentralised exchange, or that it has been delisted.
Where to buy 一
No exchange we track currently lists 一.
Buying 一 step by step
- Pick a venue from the table. For a coin this size the choice is usually short — 0 exchanges list 一 at all, and the table already shows what you will pay to leave as well as to buy.
- Fund the account. None of them takes fiat for 一, so buy USDT with a card or bank transfer elsewhere and withdraw it in. Depositing a stablecoin you already hold is free on almost every exchange here.
- Place the order. A market order pays the taker fee in the table; a limit order that rests on the book pays the lower maker fee. On a thinly traded coin the spread costs more than either, so a limit order is worth the wait.
- Decide whether to move it. Leaving 一 on the exchange is free but custodial. Moving it to a wallet that supports it costs one withdrawal fee — send a small test amount first, and match the network on both sides.
How to buy 一 — FAQ
Where can I buy 一 (USD1_ONE) (一)?
Not on any exchange we track. None of them accepts 一 deposits or withdrawals today, which usually means it trades only on a decentralised exchange or has been delisted. Treat any site claiming otherwise with suspicion.
What is the cheapest way to buy 一?
We cannot rank the exchanges on cost for 一 yet: the venues that list it have not published enough of their fee schedule for a like-for-like comparison. The withdrawal fees in the table are still exact.
Can I buy 一 with a credit card?
None of the exchanges listing 一 takes a card for it directly. The usual route is to buy USDT with a card on an exchange that does, withdraw it, and trade it for 一 on one of the venues above. Budget for the card charge, the USDT withdrawal fee and the trade.
Do I have to pay a fee to withdraw 一?
Every exchange charges one, as a flat amount of 一 per network rather than a percentage. We do not have a priced figure for all of the venues listing 一 yet — the 一 withdrawal fee page has whatever each exchange publishes.
Is it safe to leave 一 on the exchange?
It is a custody choice, not a safety switch. While the coin sits there the exchange holds the keys: convenient, recoverable if you lose your password, and dependent on the exchange staying solvent and keeping withdrawals open. Moving it to a wallet you control removes that dependency and costs one withdrawal fee. For a trading balance, staying put is reasonable; for a long hold, most people move.
Exchange coverage for 一 comes from each exchange’s own deposit and withdrawal endpoints (last sync —); trading fees are the published base tier, no volume discount applied. Exchanges we have a referral arrangement with appear first and are tagged as such — it changes no number in any row. Nothing here is investment advice; see our methodology.
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