HELEOS
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JPYIO

Heleos Japanese Yen

JPYIO is the Heleos tokenized deposit denomination representing the Japanese Yen.

Specifications

PropertyValue
Display DenominationJPYIO
On-Chain Denominationujpyio
Decimal Precision6
Modulex/stablecoin
Authority ModelStablecoin authority address (mint/burn restricted)
Sovereign ReferenceJapanese Yen (JPY)
Current Staking ModelConsensus staking restricted to uos
Current Fee ModelExempt from ecosystem transaction fee

Supported Operations

  • MsgMint - Issue new JPYIO to a specified address (authority only)
  • MsgBurn - Redeem JPYIO from circulation (authority only)
  • MsgSend - Transfer JPYIO between Heleos addresses (any holder)
  • QueryBalance - Query JPYIO balance for a given address
  • QueryTotalSupply - Query total JPYIO in circulation
  • QueryDenomMetadata - Query JPYIO metadata

Query Endpoints

CLI: heleosd query bank balances [address] --denom ujpyio
CLI: heleosd query bank total-supply --denom ujpyio
REST: GET /cosmos/bank/v1beta1/balances/{address}/by_denom?denom=ujpyio
REST: GET /cosmos/bank/v1beta1/supply/by_denom?denom=ujpyio
gRPC: cosmos.bank.v1beta1.Query/Balance with denom ujpyio
gRPC: cosmos.bank.v1beta1.Query/SupplyOf with denom ujpyio

Integration Path

JPYIO is available for integration with Japanese banking institutions through the StableNow platform. Partner banks operating under Japan's financial regulatory framework execute a Letter of Intent with Heleos, complete the StableNow integration, and begin tokenizing customer yen deposits as JPYIO under their operational control.

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Technical Documentation - Version 1.0 | Effective Date: April 3, 2026