[**brk-client**](../README.md) *** [brk-client](../globals.md) / BlockHashTxIndex # Interface: BlockHashTxIndex Defined in: [Developer/brk/modules/brk-client/index.js:198](https://github.com/bitcoinresearchkit/brk/blob/3faa989691a1f662d8f7f98dbce612dc66a737c7/modules/brk-client/index.js#L198) ## Properties ### hash > **hash**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:199](https://github.com/bitcoinresearchkit/brk/blob/3faa989691a1f662d8f7f98dbce612dc66a737c7/modules/brk-client/index.js#L199) Bitcoin block hash *** ### index > **index**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:200](https://github.com/bitcoinresearchkit/brk/blob/3faa989691a1f662d8f7f98dbce612dc66a737c7/modules/brk-client/index.js#L200) Transaction index within the block (0-based)