# Core Contributors

Here is a list of the community members that have made significant contributions to the Ontology framework.

| Sr. No. | Title                                                 | Author                                                | Type     | Status   | Ref.                                                                                                                                                                                      |
| ------- | ----------------------------------------------------- | ----------------------------------------------------- | -------- | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1       | OEP Purpose and Guidelines                            | Ontology Team                                         | Meta     | Active   | [OEP-1 Token Standard](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-1.mediawiki)                                                                                                    |
| 2       | Ontology ID Standard                                  |                                                       | Standard | Stub     | [Authentication process](https://github.com/ontio/OEPs/blob/master/meta-backup/Auth-process.mediawiki), [Website Interaction Standard pull request](https://github.com/ontio/OEPs/pull/9) |
| 3       | Ontology SDK Extension                                | Ontology Team & Community                             | Meta     | Stub     | [CSharp-SDK](https://github.com/ontio/OEPs/blob/master/meta-backup/CSharp-SDK.mediawiki)                                                                                                  |
| 4       | Token Standard                                        | luodanwg, tanyuan, zhoupw                             | Standard | Accepted | [OEP-4 Token Standard](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-4.mediawiki)                                                                                                    |
| 5       | Non-Fungible Token Standard                           | tanyuan, zhoupw, tonyclarking, blckchan, Wyatt Mufson | Standard | Accepted | [OEP-5 Token Standard](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-5.mediawiki)                                                                                                    |
| 6       | dApp extension                                        | Community                                             | Meta     | Draft    | [Pull Request](https://github.com/ontio/OEPs/pull/8)                                                                                                                                      |
| 7       | URI Schema                                            | zhoupw                                                | Standard | Draft    | [Pull Request](https://github.com/ontio/OEPs/pull/19)                                                                                                                                     |
| 8       | Crypto Item Standard                                  | tanyuan, zhoupw, tonyclarking, blckchan               | Standard | Accepted | [OEP-8 Token Standard](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-8.mediawiki)                                                                                                    |
| 9       | Ontology X-shard Asset Contract                       | qiluge                                                | Standard | Draft    | [Pull Request](https://github.com/ontio/OEPs/pull/50)                                                                                                                                     |
| 10      | Cross-contract Call Attack Prevention Standard        | Wyatt Mufson                                          | Standard | Accepted | [OEP-10 Standard](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-10.mediawiki)                                                                                                        |
| 11      | Ontology Wallet Standard                              | Wyatt Mufson                                          | Standard | Draft    | [OEP-15 Wallet Standard](https://github.com/ontio/OEPs/pull/56)                                                                                                                           |
| 12      | Security Token Offering (STO) Standard                |                                                       | Standard | Stub     | [Regulation D 506(c)](https://www.sec.gov/smallbusiness/exemptofferings/rule506c),  [Issue reference](https://github.com/ontio/OEPs/issues/23)                                            |
| 13      | Time-limited Token Standard                           |                                                       | Standard | Stub     | [Issue reference](https://github.com/ontio/OEPs/issues/24)                                                                                                                                |
| 14      | Ontology Oracle Standard                              |                                                       | Standard | Draft    | [Pull Request](https://github.com/ontio/OEPs/pull/35)                                                                                                                                     |
| 15      | Standard process of transaction fee rebate adjustment |                                                       | Meta     | Accepted | [OEP-39 Proposal](https://github.com/ontio/OEPs/blob/master/OEPS/OEP-39.mediawiki)                                                                                                        |
| 16      | Data Token Standard                                   |                                                       | Standard | Draft    | Data Tokenization Standard, etc.                                                                                                                                                          |
| 17      | Token Exchange Standard                               |                                                       | Standard | Stub     | Data-Token Exchange Standard, etc.                                                                                                                                                        |
| 18      | Ontology Data Encryption extension                    |                                                       | Meta     | Stub     | Zero-knowledge proof, Homomorphic Encryption, etc.                                                                                                                                        |
| 19      | Ontology Ecosystem Governance Meta                    | Ontology Team                                         | Meta     | Stub     | Ontology Governance Standard                                                                                                                                                              |
| 20      | Ontology Tokenomics Meta                              | Ontology Team                                         | Meta     | Stub     | Ontology Gas Standard                                                                                                                                                                     |