yen
Let an agent handle the yen by denominations, exchange, payment practices and history, without financial or investment advice.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent handle the yen by denominations, exchange, payment practices and history, without financial or investment advice.
The official currency of Japan (JPY), issued by the Bank of Japan as banknotes and by the Japanese government as coins; one of the most traded currencies in the world.
What it is for: Payments in Japan and international trade and finance.
It can be identify notes and coins; find official exchange rate references; understand payment practices in Japan; check security features of notes.
Distinguishing features
Currency of Japan
No subunit in everyday use
Widely traded
New note series issued in 2024
What it looks like
Banknotes of 1000, 2000, 5000 and 10000 yen; coins from 1 to 500 yen.
How it is recognised
Symbol and ISO code JPY
Bank of Japan notes
The Chinese yuan is a different currency with a related name
Related models
is a kind of - category
is issued by - issuer
is used in - country
is related to - related currency names
In practice
Families and kinds
banknotes
coins
commemorative coins
historical series
Identifiers
ISO 4217 JPY (392) currency code
Standards and regulation
ISO 4217
Bank of Japan Act
Anti-money-laundering rules for exchange
Failure modes and hazards
Agents giving investment or trading advice
Outdated exchange rates
Counterfeit notes
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.yen
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Money Notes and coins.
Denominations identify.
Denominations
Notes and coins.
Denominations
Denominations.
- Which notes and coins are in circulation? provenance
- Who appears on the current notes? provenance
Security
Genuine notes.
Security
Security features.
- Which security features does the Bank of Japan describe? provenance
- What should someone do with a suspected counterfeit? action
Exchange Rates.
Rates change constantly.
Rate
Reference rates.
Rate
Exchange rate.
- What is the current reference rate, and from which official source? provenance
- When was it published? provenance
Fees
Costs.
Fees
Exchange costs.
- What fees or margins apply to exchanging money? measurement
- How can they be compared? action
Travel Paying in Japan.
Practices vary.
Payments
Cash and cards.
Payments
Payment practices.
- Which payment methods are widely accepted in Japan? provenance
- Where can foreign cards withdraw cash? provenance
Tipping
Customs.
Tipping
Customs.
- What customs apply to tipping and handling money in Japan? provenance
- Which sources describe them? provenance
Limits Advice.
No investment advice.
Advice
Trading.
Advice
Advice limit.
- Is the user asking whether to buy or sell yen? boundary
- How should they be referred to a licensed adviser? action
History
Currency history.
History
History.
- When was the yen introduced and how has it changed? provenance
- Which sources document it? provenance
What the second pass must settle
- Should note series be separate entries?
- How should exchange rates be sourced?
- How should historical currencies be linked?