"If you have a thousand UTXOs, good luck!"
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 explains why Bitcoin Core struggles with indexing, while nostr:npub1emdtsxly9m68m00x206t574jttp65vk0c2m89ms038q047yz7ylqcac9aw highlights how #Electrs & #BDK make large-scale self-custody workable.
Catch the full discussion in BR090.