Messi, who moved to Paris Saint-Germain in August, will be involved in a publicity and promotion campaign for Socios in the build-up to the World Cup, which starts in November.

The deal for Messi does not include any payments in the form of cryptocurrencies, according to a source.

More than 130 sports organizations, including a number of top football clubs, have signed deals with sociologists.

Fan token allow holders to vote on mostly minor decisions related to their clubs.

Fans deserve to be acknowledged for their support. Messi said in the statement that they deserve opportunities to influence the teams they love.

Socios.com is to enhance the fan experience to enable fans to be more. I am proud to join Socios.com's mission to create a more connected and rewarding future for fans around the world.

Some supporters groups see the introduction of the token as superficial participation that adds to the already growing costs of following their teams, which is why they don't like it.

Brady took an undisclosed equity stake in FTX Trading and became an ambassador for the company.

In January, James announced a multiyear partnership with a company who recently signed a sponsorship deal with the governing body of football.