{"rewrite":{"id":"r_ecb93ba4bf89a9ff13ffa631","clusterId":"c_cc7ba0dc077bf3ec99f147d2","slug":"jpy-defi-launches-on-ethereum-mainnet-with-yen-pegged-stablecoin-jpydf","model":"deepseek-v4-1-flash","headline":"JPY DeFi Launches on Ethereum Mainnet With Yen-Pegged Stablecoin JPYdf","summary":"DeltaForesight Inc. launched the JPY DeFi protocol on the Ethereum mainnet on October 15, 2026. Users deposit wstETH or USDC as collateral and borrow JPYdf, a crypto-asset stablecoin targeting a value peg to the Japanese yen. Each collateral type has its own market. Positions that fall below the required collateral ratio can be liquidated. A foundation provides the frontend at app.jpydf.com.","whyItMatters":"Yen-pegged assets have had limited use on-chain, and this launch puts a borrowable yen-targeted stablecoin on Ethereum with wstETH and USDC as collateral, though the peg is only a target and no redemption or principal protection is guaranteed.","webCardHtml":"\u003cp\u003eDeltaForesight Inc. designed and developed the protocol, which went live on the Ethereum mainnet on October 15, 2026. Borrowers deposit wstETH or USDC and draw JPYdf against it, with separate markets for each collateral type. Positions that drop below the prescribed collateral ratio can be liquidated.\u003c/p\u003e\u003cp\u003eThe frontend at app.jpydf.com is provided by JPYdf Foundation DAO LLC, which does not offer it to residents of Japan, the United States, or other regions listed in the terms of use. The company states that JPYdf is not a yen-denominated monetary claim under the Payment Services Act, and that its market price may move above or below 1 yen.\u003c/p\u003e","blueskyPost":"JPYdf is a crypto-asset stablecoin, so its yen peg depends on collateral markets holding up. Each collateral type trades in its own market, and positions under the required ratio can be liquidated.","twitterPost":"JPYdf targets a yen peg, but it is a crypto-asset stablecoin: each collateral market liquidates positions that fall under the required ratio.","threadsPost":"JPYdf targets a value peg to the yen, yet it is a crypto-asset stablecoin, not a fiat-backed one. DeltaForesight splits wstETH and USDC into separate markets, and positions below the required collateral ratio can be liquidated. The peg rests on those markets, not on yen reserves.","newsletterBlurb":"DeltaForesight Inc. launched the JPY DeFi protocol on the Ethereum mainnet on October 15, 2026. Users deposit wstETH or USDC as collateral and borrow JPYdf, a crypto-asset stablecoin targeting a value peg to the Japanese yen, with separate markets per collateral type. The frontend is not offered to residents of Japan, the United States, or other regions named in the terms of use.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/443/4443036/?rss\",\"title\":\"DeFi Protocol \\\"JPY DeFi,\\\" Which Issues Crypto-Asset Stablecoin \\\"JPYdf\\\" Targeting Value Peg to Japanese Yen, Launches on Ethereum Mainnet\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5167,"outputTokens":661,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792057933,"createdAt":"2026-10-15T09:48:53.000Z","publishedAt":"2026-10-15T09:51:09.000Z","updatedAt":"2026-10-15T09:51:09.000Z"},"cluster":{"id":"c_cc7ba0dc077bf3ec99f147d2","canonicalTitle":"日本円との価値連動を目標とする暗号資産型ステーブルコイン「JPYdf」を発行するDeFiプロトコル「JPY DeFi」、Ethereumメインネットで公開","representativeArticleId":"a_b3410201baeb0030ebd42efc","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"JPYdf\",\"JPY DeFi\"],\"studios\":[],\"people\":[],\"type\":\"release\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-15T07:00:00.000Z","lastSeenAt":"2026-10-15T07:00:00.000Z","updatedAt":"2026-10-15T09:51:07.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/443/4443036/?rss","title":"日本円との価値連動を目標とする暗号資産型ステーブルコイン「JPYdf」を発行するDeFiプロトコル「JPY DeFi」、Ethereumメインネットで公開"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["JPYdf","JPY DeFi"],"studios":[],"people":[],"type":"release","domain":"other","is_roundup":false},"keyFacts":null}