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[**brk-client**](../README.md)
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[brk-client](../globals.md) / TxIn
# Interface: TxIn
Defined in: [Developer/brk/modules/brk-client/index.js:1266](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1266)
## Properties
### innerRedeemscriptAsm
> **innerRedeemscriptAsm**: `string`
Defined in: [Developer/brk/modules/brk-client/index.js:1275](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1275)
Inner redeemscript in assembly (for P2SH-wrapped SegWit: scriptsig + witness both present)
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### innerWitnessscriptAsm
> **innerWitnessscriptAsm**: `string`
Defined in: [Developer/brk/modules/brk-client/index.js:1276](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1276)
Inner witnessscript in assembly (for P2WSH: last witness item decoded as script)
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### isCoinbase
> **isCoinbase**: `boolean`
Defined in: [Developer/brk/modules/brk-client/index.js:1273](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1273)
Whether this input is a coinbase (block reward) input
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### prevout?
> `optional` **prevout?**: [`TxOut`](TxOut.md) \| `null`
Defined in: [Developer/brk/modules/brk-client/index.js:1269](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1269)
Information about the previous output being spent
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### scriptsig
> **scriptsig**: `string`
Defined in: [Developer/brk/modules/brk-client/index.js:1270](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1270)
Signature script (hex, for non-SegWit inputs)
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### scriptsigAsm
> **scriptsigAsm**: `string`
Defined in: [Developer/brk/modules/brk-client/index.js:1271](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1271)
Signature script in assembly format
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### sequence
> **sequence**: `number`
Defined in: [Developer/brk/modules/brk-client/index.js:1274](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1274)
Input sequence number
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### txid
> **txid**: `string`
Defined in: [Developer/brk/modules/brk-client/index.js:1267](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1267)
Transaction ID of the output being spent
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### vout
> **vout**: `number`
Defined in: [Developer/brk/modules/brk-client/index.js:1268](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1268)
Output index being spent (u16: coinbase is 65535, mempool.space uses u32: 4294967295)
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### witness
> **witness**: [`Witness`](../type-aliases/Witness.md)
Defined in: [Developer/brk/modules/brk-client/index.js:1272](https://github.com/bitcoinresearchkit/brk/blob/76e08a33afe7d878b09f4359c21ffd6183727e32/modules/brk-client/index.js#L1272)
Witness data (stack items, present for SegWit inputs; hex-encoded on the wire)