By 24 December 2027, businesses in the designated sectors – banking, energy, transport, healthcare and telecommunications, amongst others – and major platforms must accept it as a means of authentication. This is set out in Regulation (EU) 2024/1183 (eIDAS 2), in force since 20 May 2024 (OJEU 30-04-2024). The question is no longer whether the wallet will be introduced, but which identification, contracting and signing processes will need to be adapted, and in what order. This article sets out the picture: what the digital wallet is, who it applies to, from when, and what the implications are.