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A distributed balance ledger for per-request billing. Credit, debit, and hold accounts from any region — no central database.
shardd - balances at the edgeA distributed balance ledger for per-request billing
Emilleft a comment
I had a single-node balance service that I kept copying from project to project, which got tiring, so I decided to make it into a SaaS, and one thing after another, I ended up making it into a cross-regional replicated distributed system. One of the design points was making it so that I can just delete or add a node without any damage to the ledger. So, here we are, hope it's useful to someone...
shardd - balances at the edgeA distributed balance ledger for per-request billing