Around 33 min, when calculating the conversion of bitcoin to dollars in the account, the account balance is 15,010.521 XBT. The characters calculate the conversion for 16,263.52 XBT.
(at around 33 mins) Damon (who is supposedly living in England) holds his phone up to the camera, and "T-Mobile" is clearly visible on the top left as the active provider. The T-Mobile brand was discontinued in the UK several years ago after merging with Orange UK.
At times in this movie, Matias uses Facebook Messenger to call, but he uses the Safari browser and Facebook Messenger calls don't work on that browser.
When Matias is transferring bitcoins from Charon IV to his own bitcoin wallet, he is copying the wallet ID which is used to access your wallet. Not his bitcoin address which is the one used to send or receive bitcoins. The site he uses even says this. It also says NOT to share it with others.
Someone involved in illicit activities on the dark web would never have passwords saved for automatic login on their computer.