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Introduction

Building on the Gaia-X Trust Framework and Ocean Protocol DDO specifications additional attributes for participants (federators, service providers, and consumers), service offerings and resources are introduced that are specific to the Pontus-X ecosystem and extend the attributes of Gaia-X credentials without breaking the Gaia-X Trust Framework.

These additional attributes support interoperability between different technological ecosystems and domains in Gaia-X.

Participant Credentials

All Pontus-X participants are required to integrate the following attributes in their Gaia-X participant credentials to enable identification across networks.

Extended Attributes​

| Attribute | Cardinality | Trust Anchor | Comment | | blockchainAccountId | 1.. | Trust Anchor | The Externally Owned Address (EOA), also known as a Wallet Address, accessible by the private key pairs. a 42-character hexadecimal address derived from the last 20 bytes of the public key controlling the account with 0x appended in front. | | blockchainId | 0.. | Trust Anchor | The network ID, also refered to as Chain ID, use to identity and connect to a EVM-compatible network, see ChainList (to be removed)| | blockchainName | 0..* | Trust Anchor | The name of the EVM-compatible network. (to be removed) | | ecosystemsTerms | 1 | Participant | The terms and conditions the participant agrees to during onboarding to the network |

Service Credentials

All services building on the Ocean Protocol stack are recommended to integrate the following attributes in the Gaia-X service credentials.

Extended Attributes​

| Attribute | Cardinality | Trust Anchor | Comment | | serviceOffering:settlement | 1.. | Service Provider | Defines means of settlement and pricing. | | currencyName | 0.. | Service Provider | Name of the currencies defined in serviceOffering:settlement | | currencyTokenAddress | 0.. | Service Provider | Smart contract address if the defined currency is and ERC20 token | | currencyAmount | 0.. | Service Provider | Defined settlement amount | | subscriptionDuration | 1 | Service Provider | Time of the contreact subscription in seconds | | policy | 1 | Service Provider | Policy for service usage and access control | | whitelistedUsage | 0.. | Service Provider | Allowed services that can be combined with this service | | webAddress | 0.. | Service Provider | Endpoint to access the service | | ownerBlockchainAccountId | 1 | Service Provider | The Externally Owned Address (EOA) of the service provider | | type | 1 | Service Provider | Type of service offering, i.e. data, software, infrastructure, SaaS | | serviceModel | 1 | Service Provider | Type of service model as described in terms and conditions | | blockchainNetwork | 1 | -------- | ------- | | blockchainName | 1 | -------- | ------- | | blockchainId | 1 | -------- | ------- | | nftAddress | 1 | -------- | ------- | | accessTokenName | 1 | -------- | ------- | | accessTokenAddress | 1 | -------- | ------- | | accessTokenSymbol | 1 | -------- | ------- | | serviceEndpoint | 1 | -------- | ------- |