# Eric Kenneth Seiff

Eric Kenneth Seiff of Surfside, FL appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. 16 filing roles across Form D (15), Form ADV (1).

## Filings (16)

| Filed | Source | Entity | Role | Location |
| --- | --- | --- | --- | --- |
| 2025-05-06 | Form ADV | [BLOCKCHANGE MANAGEMENT LLC](https://search.stillhousedata.com/firm/296291) | MANAGING MEMBER | — |
| 2015-12-30 | Form D | [Smart SKUs Inc.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1627327&type=&dateb=&owner=include&count=40) | Director | NEW YORK, NY |
| 2021-02-02 | Form D | [Blockchange Ventures III, L.P. (Series 1)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1843344&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2021-06-17 | Form D | [Blockchange Ventures III, L.P. (Series 2)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1843345&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2021-12-27 | Form D | [Blockchange Ventures III, L.P. (Series 3)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1898353&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2022-01-11 | Form D | [Braintrust SPV VI LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1903775&type=&dateb=&owner=include&count=40) | Executive Officer | NEW YORK, NY |
| 2022-05-25 | Form D | [Hash SPV VII, LLC](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1923695&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2022-07-26 | Form D | [Blockchange Ventures III, L.P. (Series 4)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1936657&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2023-01-03 | Form D | [Blockchange Ventures III, L.P. (Series 5)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1957057&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2023-07-06 | Form D | [Blockchange Ventures III, L.P. (Series 6)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1981469&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2024-01-02 | Form D | [Blockchange Fund, L.P. (Series 7)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2003321&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2024-07-01 | Form D | [Blockchange Fund, L.P. (Series 8)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2026249&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2025-02-11 | Form D | [Blockchange Fund Parallel Investments (2025) Feeder, L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2055487&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2025-02-11 | Form D | [Blockchange Fund Parallel Investments (2025), L.P.](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2055552&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2025-01-06 | Form D | [Blockchange Fund, L.P. (Series '25)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2048448&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |
| 2025-12-31 | Form D | [Blockchange Fund, L.P. (Series '26)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2101278&type=&dateb=&owner=include&count=40) | Executive Officer | SURFSIDE, FL |


---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.