Regardless you would want to present all the evidence you have. Whether or not this would persuade the trier of fact to find in your favor is impossible to tell, but based on the description it sounds like the text messages could be used as good evidence. It sounds to me like you may have a good case.
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I agree with my colleague. You would want to present all evidence of the agreement, including your own testimony. However, it is unclear from your statement whether the text messages were from you or the person who agreed to hold the money for you. Self-serving text messages might not be the best evidence but if you have a text message from the other person then that would constitute an admission against interest that could be very helpful at trial. The bank statement, provided it is authenticated, and your testimony would be prima facie evidence that the money was given to the other person but the bank statement would not show the intent behind the transfer. Bottom line, you would need to explain to the judge why you gave the other person money to hold for you and that it was not a gift. It would be up to the judge to resolve the conflicts in the testimony and evidence to determine whether you the funds were a gift.
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