No. Neither deposits nor withdrawals of cryptocurrency on Indodax are subject to tax. Tax obligations on Indodax apply only to trading activities (buying/selling) of cryptocurrency. The fees incurred when you make a deposit or withdrawal are purely operational costs of the blockchain network; they are not taxes. Here is an explanation:
Digital Asset (Cryptocurrency) Deposits
Indodax does not charge any fees for cryptocurrency deposits into your account. The fees incurred come from the sending exchange or wallet. These fees are used to process transactions on the blockchain (Gas Fee) so that they are confirmed.
Digital Asset (Cryptocurrency) Withdrawals
When sending or withdrawing crypto assets from Indodax to an external wallet, you will be charged a Network Fee. This fee must be paid to the blockchain network (such as the Bitcoin, Ethereum, or Solana networks) for the transaction to be processed and validated. The amount varies depending on the digital asset at the time of the transaction.