The process you are mentioning (reserve the wine for the future) is called "En primeur" of "wine futures". It is a method of puchasing wines and invest before the wine is bottled.
It is very popular in Bordeaux area and this service is provided by Bordeaux Negociant (you can't buy Classified Growths at the Estate directly).

Purchasing to a Bordeaux Negociant ensures traceability and pristine strorage conditions, which are crucial in the wine industry.

Our companies (Lasserre & Papillon for B2C and btc-wine.com for B2B) are the only one Bordeaux Negociant to accept crypto currency as payment.

Fine wine are a great asset to diversify you portfolio into a tangible one (It could hedge crypto's market fluctuation as a tangible USDT!)