COS (ETH) to AR Crypto Exchange

Fast, secure and privacy-oriented Contentos (ERC20) to Arweave exchange.
Swap COS to AR at the best exchange rate with ChangeNOW.


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  • 1 COS ~ 0 ARExpected rate
  • No hidden fees
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How to swap COS to AR

With ChangeNOW, COS to AR conversions are simple, transparent, and you don’t even need to register. Let’s say you want to convert 1 Contentos (ERC20) to AR:

Choose the exchange pair: Contentos (ERC20) vs Arweave , in this case.Enter the address of the recipient to process the Contentos (ERC20) - Arweave transaction.Check the rate: how many COS in Arweave you’ll receive.Confirm the transaction, make the deposit, and you’ve converted 1 Contentos (ERC20) to Arweave !

COS to AR Exchange Rate

The current 1 Contentos (ERC20) to Arweave exchange rate is 0 AR. There are no limits to COS to AR swaps here, so feel free to use ChangeNOW no matter how many coins you need to exchange!

Price Calculator

Before swapping coins, feel free to use our Contentos (ERC20) to Arweave calculator to see how many AR you’ll receive. Simply enter the required amount in COS, and let our COS to AR converter determine the approximate exchange rate.

Other options to buy Arweave

Not looking to convert COS to AR? There are no limits on the cryptocurrencies you can use for our exchange service! Choose any crypto pair and enjoy our generous rates, fast transactions, and precise exchange amounts!

Not your desired pairs? You can view all

Convert Any Other Cryptocurrency from Contentos (ERC20)

ChangeNOW is a versatile service that offers many different options to exchange Contentos (ERC20). We aim to provide a platform where users can manage all popular cryptocurrencies, exchange between them, and easily diversify their cryptocurrency portfolio.

And 700+ more coins and tokens at ChangeNOW →