Nevertheless, I assume that the infrastructure will soon be available again. A statement from Sinbad about how long the downtime will last would of course be very nice.
Sinbad.io Mixer has always been shown as a mixer with enough bitcoins so I don't think the financial situation is the reason, but we cannot ignore reports linking this mixer to Blender.io
[1], which has been a popular mixer for a while, and this was their latest quote:
Services blender.io and blenderwallet.io are closed for maintenance. Completion dates for technical work will be announced later.
Your funds in Blender Wallet are safe. You can wait for the service to open or access them with a mnemonic and passphrase in the Electrum wallet or any other compatible wallet.
Dear users, the service is closed for update and maintenance, the date of works completion will be posted later.
There is a similarity between the two messages, but beyond all theories, let's see what will happen next Thursday (payment day).
[1]
https://www.wired.com/story/sinbad-crypto-mixer-north-korean-hackers/