Vaultide

A monthly, snapshot-driven personal finance platform. You enter balances and the flows you know; Vaultide infers the rest by cash reconciliation, keeps every record in its native currency, and never presents a number it cannot justify.

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Phase 2 — Accounts, balances and net worthExact formatting verifiedBlueprint v2.1.2

Exact money formatting

12345678901234567.89 formatted from its decimal string. Nineteen significant digits — far beyond what a JavaScript number can hold — with every digit intact (blueprint 7.1.1).

Locale	Currency	Minor units	Formatted	Path
en-US	USD	2	$12,345,678,901,234,567.89	Intl string path
de-DE	EUR	2	12.345.678.901.234.567,89 €	Intl string path
ja-JP	JPY	0	￥12,345,678,901,234,568	Intl string path
es-CL	CLF	4	CLF 12.345.678.901.234.567,8900	Intl string path

Inputs

Amounts are typed and kept as exact strings; dates for actual records can never be later than today (blueprint M5, R17).

Balance (CLF)

Up to 4 decimals.

Stored and displayed asCLF 38.123,4567

Balance date

Today is 2026-09-09. Later dates are not accepted.

Selected2026-09-09

What is built so far

Foundations, identity and exchange rates. Balances, spending and net worth arrive with their phases.

Exact decimal money: 0.1 + 0.2 = 0.3
Dates and an injected clock (no engine reads the time)
Unavailable and partial values instead of silent zeros
Allocation and rounding that always sum exactly
Signed net-worth arithmetic (assets +1, liabilities −1)
Decimal and float numeric backends that agree
Three database roles with RLS that fails closed
Verified, encrypted nightly backups
Verified email, optional two-factor sign-in, DB-backed sessions
Settings: base and reporting currency, time zone, locale, favourites
ECB reference rates for every supported currency, refreshed daily
Cash accounts and other assets, with balances dated to the day
Total and financial net worth, with what is missing spelled out
Statement month-end balances, only once the month has ended