Product: Money transfer, virtual currency, or money service

I am a COINBASE customer and the evening of XX/XX/2022 I purchased a XXXX of a crypto identified as GLM, I t was a very strategic puchase after noticing very increased activity and a rapidily increasing value. I purchased it at XXXX cents per coin and ten minutes later sold it for {XXXX}. All the documented transaction records are cut and pasted below taken directly from the coinbase records provided to me by them. There is a completed Purchase with transaction refence ID, and a completed Sale with a Transaction reference ID.... then there is a third record with very sparce and vauge information but is said to be a " Transaction Reversal '' performed by the " Miner '' on the blockchain. My account was returned to its initial purchase level of XXXX minus coinbase fees, to {XXXX} and the whole thing was treated as if it were a candy wrapper being tossed into the trash. My complaints were responded to with canned scripted replies not even relevant to my issue. I spoke with a phone representative who AGREED with me that it was a legitimate issue and she Elevated my complaint ticket up to the next level inside COINBASE complaint operations FROM which I continued to receive complete dismissal of my complaint with absolutely no indication of any intent to explain or investigate and inquire about who and why the decision was made to reverse my sale. The Numbers and the math in the third record below just make no sense given my account being returned to the initial purchase amount .... Which was rapidly declining in price by the second as I was trying to figure it all out ... ... ... I Immediately converted my holdings out of GLM ending up about XXXX in the red. 
TO THIS DAY I have not been able to get any response from COINBASE about this transaction reversal or get any explanation as to where my money was and who was responsible for the theft of my legally purchased cryptro. Coinbase assigned it to case # XXXX and was told that the case was closed as no further actions were possible, with no reference to my profits being swindled and " MINED '' right out of my account. MINERS are supposed to validate transactions. My transaction was a very deliberate purchase and strategically timed sale to flip a modest profit given my awareness watching its volatility in ticking real time feed.. 

# 1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - Initial Purchase transaction GLM XXXX GLM @ {XXXX} per GLM Reference code XXXX Price per coin {XXXX} Payment Method XXXX XXXX XXXX. XXXX Coinbase Fee {XXXX} Subtotal XXXX Total {XXXX} XX/XX/2022 XXXX XXXX COMPLETED # 2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Sale Transaction GLM XXXX GLM @ {XXXX} per GLM Reference code XXXX Price per coin {XXXX} Payment Method Cash ( USD ) Coinbase Fee {$7.00} Subtotal {XXXX} Total {XXXX} XX/XX/2022 XXXX PM COMPLETED -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - # 3 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- XXXX GLM {XXXX} From Coinbase Price per coin {XXXX} XX/XX/2022 XXXX XXXX COMPLETED -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - ( this record is suspiciously void of any specific or referenced transaction identifier except the unique quantity of XXXX GLM. yet I could get no-one to address this as if it were the very huge problem I percieve it to be. I am not WRONG ...... 
Noticing the identical timestamp of the sale and reversal transactions, and the approx {XXXX} difference in price I have serious questions as to the data being reported and its validity and feel i am owed a detailed and comprehensive explanation to satisfy my feeling completely robbed. 

as per your instructions the following is my contact and their published contact info. 

MY CONTACT information is XXXX XXXX XXXX XXXX XXXX XXXX XXXX, XXXX XXXX XXXX and/or XXXX COINBASE 'S published contact information is XXXXXXXX XXXX ( XXXX ) XXXX XXXX ( XXXX ) XXXX XXXX XXXX XXXX XXXXXXXX Thank you in advance for your efforts CFPB.