UM future trade in testnet with websocket api

API Futures API
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1

Is it possibel to trade UM with websocket api in testnet?

Document says that " Only Ed25519 keys are supported for for WebSocket API Authentication request".

https://binance-docs.github.io/apidocs/futures/en/#websocket-api-api-key-revocation

However, Testnet does not provide ed25519 keys and trade with websocket api cannot be done without Authentication.

So it seems that we cannot send a new order with websocket api in testnet.

Is that Right?

Best Regards.