Tim Deguette, the founder of Solly, a digital donation solution for the homeless poses in Lille, northern France on November 21, 2025. A new digital donations solution for the homeless was launched in Lille, before being deployed elsewhere in France. This community project, conceived by a 22-year-old from Lille, aims to address the problem of cash shortages, which often prevents passers-by from donating to the homeless. These cards are used for payments, but only work for purchasing essential goods or overnight stays. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows a Solly card, a digital donation solution for homeless people in Lille, northern France on November 21, 2025. A new digital donations solution for the homeless was launched in Lille, before being deployed elsewhere in France. This community project, conceived by a 22-year-old from Lille, aims to address the problem of cash shortages, which often prevents passers-by from donating to the homeless. These cards are used for payments, but only work for purchasing essential goods or overnight stays. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

Tim Deguette, the founder of Solly, a digital donation solution for the homeless poses for a photograph with a Solly card in Lille, northern France on November 21, 2025. A new digital donations solution for the homeless was launched in Lille, before being deployed elsewhere in France. This community project, conceived by a 22-year-old from Lille, aims to address the problem of cash shortages, which often prevents passers-by from donating to the homeless. These cards are used for payments, but only work for purchasing essential goods or overnight stays. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows a Solly card, a digital donation solution for homeless people and the application on a mobile phone in Lille, northern France on November 21, 2025. A new digital donations solution for the homeless was launched in Lille, before being deployed elsewhere in France. This community project, conceived by a 22-year-old from Lille, aims to address the problem of cash shortages, which often prevents passers-by from donating to the homeless. These cards are used for payments, but only work for purchasing essential goods or overnight stays. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

Tim Deguette, the founder of Solly, a digital donation solution for the homeless poses for a photograph with a Solly card in Lille, northern France on November 21, 2025. A new digital donations solution for the homeless was launched in Lille, before being deployed elsewhere in France. This community project, conceived by a 22-year-old from Lille, aims to address the problem of cash shortages, which often prevents passers-by from donating to the homeless. These cards are used for payments, but only work for purchasing essential goods or overnight stays. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

(FILES) A man sleeps in a sleeping bag next to a cafe terrace in central Paris on October 15, 2025. Named Solly, this community project designed by a 22-year-old from Lille aims to address the issue of cash scarcity in people's wallets, which often prevents passers-by from giving to homeless people. In the bitter cold, the first Solly cards were distributed on November 22, 2025, in Lille by the local association Les Soldats du Sourire, which regularly organises outreach programmes. (Photo by JOEL SAGET / AFP via Getty Images)

(FILES) A homeless sleeps on a mattress under a bridge of the Canal de l'Ourcq in Paris, on October 9, 2025. Named Solly, this community project designed by a 22-year-old from Lille aims to address the issue of cash scarcity in people's wallets, which often prevents passers-by from giving to homeless people. In the bitter cold, the first Solly cards were distributed on November 22, 2025, in Lille by the local association Les Soldats du Sourire, which regularly organises outreach programmes. (Photo by JOEL SAGET / AFP via Getty Images)

(FILES) A homeless man lying on the sidewalk with his belongings, in Paris, on October 20, 2025. Named Solly, this community project designed by a 22-year-old from Lille aims to address the issue of cash scarcity in people's wallets, which often prevents passers-by from giving to homeless people. In the bitter cold, the first Solly cards were distributed on November 22, 2025, in Lille by the local association Les Soldats du Sourire, which regularly organises outreach programmes. (Photo by JOEL SAGET / AFP via Getty Images)