[**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/c76b149ef9f4e0092fec3c6aef562bc4dddd8122/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/c76b149ef9f4e0092fec3c6aef562bc4dddd8122/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/c76b149ef9f4e0092fec3c6aef562bc4dddd8122/modules/brk-client/index.js#L200) Transaction index within the block (0-based)