[javcasas]

Create an event type for transfer with amount, source account and destination account.

[saxenaabhi]

Right, but then your downstream consumers have to be global and can't be partitioned based on account_id or some other partition key?

[javcasas]

Consumers will have to read all events that concern them, yes. Maybe this type of event must end up in multiple partitions and will require some architectural shenanigans.