Harmony (ONE) to Sei (SEI) Exchange

1 ONE =

$0.02329021-2.97%

No hidden fees

24/7 human support

No KYC swaps

How to exchange ONE to SEI in 4 steps

Set the exchange pair

To exchange ONE to SEI, simply choose the crypto pair in the “You send” and “You get” fields, then enter the amount you want to swap.

Select the exchange rate

Changelly lets you pick the ONE exchange rate that works best for you. You can go with Floating for flexibility or Fixed for predictability. To get the best exchange rates, always review the latest numbers before confirming.

Enter your wallet address

Now, it’s time to enter your crypto wallet address—this is where your funds will be sent once the exchange is completed. Make sure it’s accurate and ready to receive your coins.

Complete the exchange

Time to finalize your ONE to SEI exchange. Carefully follow the payment instructions and send the exact amount of crypto to the wallet address shown on-screen.
Make sure to complete your transaction within the given time limit, as wallet addresses can expire.

Harmony (ONE) and Sei (SEI) Market Data

Today’s ONE/SEI exchange rate is 1 ONE = 0.02299686 SEI. Over the past 24 hours, the conversion rate of ONE to SEI has changed by -2.97%. In the last 7 days, it changed by 14.58%, while the 30-day change is -25.61%. This data is pulled live from our real-time converter, which tracks current market trends using the ONE calculator, so you get accurate results every time.

Harmony price

$0.00139574

-2.00%

Market cap

$20M

Volume 24h

$4.8M

Todays low

$0.0013665

Todays high

$0.00144354

Circulating Supply

14.3B ONE

Sei price

$0.06069285

+1.00%

Market cap

$467.3M

Volume 24h

$45.4M

Todays low

$0.05861076

Todays high

$0.06187505

Circulating Supply

7.7B SEI

ONE and SEI volatility and changes

Range

24 hours

7D

30D

90D

High

0.02384489 SEI

0.02955186 SEI

0.03204851 SEI

0.09096915 SEI

Low

0.0225722 SEI

0.02507587 SEI

0.0165026 SEI

0.01232682 SEI

Average

0.02329021 SEI

0.0273809 SEI

0.02614874 SEI

0.02717908 SEI

Change

-2.97%

+14.58%

-25.61%

-3.03%

Harmony (ONE) to Sei (SEI) exchange rate

ONE to SEI conversion rates

ONE

SEI

0.001

0.000023

0.005

0.000115

0.01

0.00023

0.05

0.00115

0.1

0.0023

0.5

0.011498

1

0.022997

5

0.114984

10

0.229969

25

0.574921

50

1.149843

100

2.299686

150

3.449529

500

11.498429

1,000

22.996858

3,000

68.990573

SEI to ONE conversion rates

SEI

ONE

0.001

0.0434842

0.005

0.21742101

0.01

0.43484202

0.05

2.17421008

0.1

4.34842016

0.5

21.74210082

1

43.48420164

5

217.42100821

10

434.84201643

25

1,087.10504107

50

2,174.21008213

100

4,348.42016427

150

6,522.6302464

500

21,742.1008213

1,000

43,484.2016427

3,000

130,452.604928

Changelly is your safe option to swap ONE to SEI

years on the market

24/7

support team

10+

millions users

Publications in media

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Exclusive benefits of the Changelly app

Get better rates in the app and enjoy an exclusive discount on your very first crypto exchange transaction. Don’t settle for less when you can maximize your returns with us!

Why choose Changelly to convert ONE to SEI

As a non-custodial service, we ensure you remain in full control of your funds throughout the process.

Fast swaps

Instantly convert ONE to SEI with fast, seamless processing. Our system helps complete transactions quickly, so you can act on the right market price when timing matters

Quick exchangeReal-time rates

Friendly fees

Our low ONE swap commissions help you get more from every trade. Network fees are shown upfront, with no hidden costs or surprises.

Transparent costsNo hidden fees

Personal custody and enhanced security

Your crypto goes straight to your wallet after the exchange Harmony. We don’t store your funds, so you stay in full control

Non-custodialFull control

Our Partners

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FAQ

What does ONE to SEI exchange rate mean?

Simply put, the current exchange rate tells you the deal you’ll get when you swap ONE to SEI. Like all crypto rates, it’s dynamic. The price you see depends on demand, market trends, and how easily users can exchange Harmony at the moment. We show real-time data so you’re always trading at the most accurate rate available.

Do I need an ID to swap ONE to SEI?

Usually, no. You can exchange ONE to SEI and start a swap without verifying your ID. But sometimes, our system may flag a transaction as risky. In that case, you’ll need to verify for safety reasons. It doesn’t happen often, but it helps us keep the platform secure for everyone who wants to exchange crypto smoothly.

What are the fees to swap Harmony to Sei?

Every ONE exchange includes a blockchain network fee and a small service fee from Changelly. Network fees depend on congestion—if the chain’s busy, the cost goes up.

You’ll see all the fees upfront before confirming the trade, so you always know what to expect.

How can I convert Harmony to Sei on Changelly?

Changelly’s exchange service lets you convert ONE to SEI in just a few minutes—whether you’re using our app or website. Start by entering how much ONE you want to exchange, and our converter will instantly show you an estimated amount of SEI. Then simply follow the on-screen steps to complete the conversion.
You can also buy Sei directly with fiat currencies like USD or EUR—just choose a payment method and pay with your card or bank transfer.

What is the minimum amount to exchange ONE to SEI?

You can start with as little as $20 worth of crypto. The minimum amount depends on the ONE exchange rate, the chosen crypto pair, and current network fees. Our converter uses live data from the cryptocurrency market to calculate the exact requirement in real time. You’ll see the minimum clearly before confirming your swap using our built-in price calculator—so there are no surprises.

How long does it take to convert ONE to SEI?

A typical swap only takes 5 to 10 minutes. When you convert ONE to SEI, your transaction goes through several steps behind the scenes. Sometimes it’s quicker, sometimes a bit slower—depending on the blockchain and/or market activity.
No matter the crypto pair, our exchange process is built to be as fast and smooth as possible.

Do I need an ID verification to swap ONE to SEI?

Usually, no. You can exchange ONE to SEI without verifying your ID. But sometimes, our system may flag a transaction as risky. In that case, you’ll need to verify for safety reasons. It doesn’t happen often, but it helps us keep the platform secure for everyone who wants to exchange crypto smoothly.

Changelly1200+ Crypto AssetsHarmony (ONE) to Sei (SEI)