It is true that the personalities of certain individuals can influence others to take a decision ,either in investments,choice of dresses,etc.The striker's involvement in cryptocurrency will sure have a positive influence on cryptocurrency especially his fans.
Celebrities like Drogba can certainly make a great impact on anything they promote because of the credibility factor. When a big personality like him promotes anything, it creates a trust factor among the existing and potential customers of that brand. I believe the same magic will work for cryptocurrency as well. Actually the market needs such celebrity promoters to increase the credibility of the crypto market. This way a lot of people will become interested in knowing more about cryptos.