The joins matter
The risk lives in the gaps between the stages.
Each stage is well understood on its own. The risk is in the joins — a transaction accepted but never settled, settlement that arrives net of fees no one verified, reconciled figures re-keyed by hand into the ledger. Every break in the chain is a place where money leaks and manual effort accumulates.
An end-to-end layer removes those joins. Each stage hands clean, structured data to the next, so a euro accepted at the front desk can be followed — without re-entry or guesswork — to a settled payout, a reconciled record and a posted ledger entry. The property stops trusting the chain worked and starts being able to prove it.