Use Zeus. Fantastic self-custody wallet. Gives you a lightning address you can use with nostr. If you prefer a custodial wallet, Strike is great.
Discussion
Strike would be even better, if they implemented nostr:nprofile1qyxhwumn8ghj7mn0wvhxcmmvqywhwumn8ghj7mn0wd68yttsw43zuam9d3kx7unyv4ezumn9wsq3camnwvaz7tmwdaehgu3wvf5hgcm0d9hx2u3wwdhkx6tpdsq32amnwvaz7tmsw4e8qmr9wfjkccte9e3k7mgpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3samnwvaz7tmhv4kxxmmdv5hxummnw3ezuamfdejsqgpd69qv4qxmv270xa7hm0ng6g4ftw4yr5vutdyhrfuzqjhht9s9rg09u55t