| Document And Entity Information | Aug. 27, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 27, 2024 |
| Entity Registrant Name | Bitwise Bitcoin ETF |
| Entity Central Index Key | 0001763415 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-41902 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 83-6613214 |
| Entity Address, Address Line One | 250 Montgomery Street, Suite 200 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94104 |
| City Area Code | 415 |
| Local Phone Number | 707-3663 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | true |
| Title of 12(b) Security | Bitwise Bitcoin ETF Shares |
| Trading Symbol | BITB |
| Security Exchange Name | NYSEArca |
