The history of the YAN transition · Bank of Yan

RECEIVING TRANSMISSION…

Two histories, one currency 二つの歴史、ひとつの通貨

Different origins. A shared future.

Japan / the yen

1600s
First paper
Yamada Hagaki circulates in the Ise region, regarded as Japan's earliest paper money.
1868
National paper currency
The Meiji government issues Dajokan-satsu, the first government notes to circulate nationwide.
1871
The yen is born
The New Currency Act establishes the yen as Japan's monetary unit.
1877
Domestic banknote production
The predecessor of the National Printing Bureau manufactures Japan's first domestically produced banknotes.
1882
Bank of Japan
The Bank of Japan is founded; its first note, the Daikoku 10 yen, follows in 1885.
1984-11-01
Series D
Fukuzawa Yukichi (¥10,000), Nitobe Inazō (¥5,000), Natsume Sōseki (¥1,000).
2004-11-01
Series E
Fukuzawa Yukichi (¥10,000), Higuchi Ichiyō (¥5,000), Noguchi Hideyo (¥1,000).
2024-07-03
Series F
Shibusawa Eiichi (¥10,000), Tsuda Umeko (¥5,000), Kitasato Shibasaburō (¥1,000). The National Printing Bureau supplies roughly three billion notes a year to the Bank of Japan.
2026-06
$1,116.7 billion
Japan holds $1,116.7 billion in U.S. Treasury securities, the largest non-U.S. holder, down from $1,143.1 billion in May.
2026
End of paper
The Yen Transition Act terminates physical currency production. No further banknotes will be issued. ¥EN → ¥AN.

¥EN → ¥AN

Convergence · 融合

ヤン

2026

A new monetary era

Hyperliquid / the network

2022-09
2022-09
Development begins
Work on an order-book perpetual futures DEX starts. Hyperliquid Labs is self-funded by Jeff Yan and iliensinc; no outside capital.
2022-12-29
2022-12-29
Introducing Hyperliquid
First public post: an L1 built on Tendermint, closed alpha promised for Q1 2023.
2023-02
2023-02
Mainnet closed alpha
20–30 OG testers. HLP opens to the community in May; the first community call is held.
2023-11-01
2023-11-01
Points program
1,000,000 points a week for six months.
HYPE #150
2024-11-29
HYPE genesis
07:30 UTC. Max supply 1,000,000,000; 31.0% to the genesis distribution.
#1 2025-02-18
2025-02-18
HyperEVM is live
Initial mainnet release. Blocks are built as part of L1 execution and inherit HyperBFT security; HYPE is the gas token; chain 999.