Bitcoin: How to sign a message with privateKey on Bitcoin using TS/JS?

He’s An’s An’s an Articip on How to a message With a key Using bitco bitco bitscoin in Typiscript.

Shisigning Message With Privalate keys in bitcoin

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in the absis Art, We’ We’” through the Bitcoinjs-Livre Library to Create a private hyprase and the Use of the Sisters. We’ll’ll’lli” to Binty a Key to the Alcents’ and Steaming’ Endpoints’ Endpoints of the Opena Aplicaation.

step 1: create a privatate key

key*

First, You Need to Crane a Private die yourse Phrase. You Cano This by Running the Follower in Your Terminal:

WHEN Get Read dingiced x200 CE 30 CE dating 32 CE You’

a

The

replace

Stsp 2: Impot Librabays and Load Privaate key

Need, we Need to the Importas-Libly Library Library and Loading Top of the Private keyy:

Imagininging

import * As bitcore froin rocoinjs-lib’;

Myrmbers * As ecre from sesy-scp256ch’s’;

cont privatatey |…………

The

tep 3: Create a message to Sign

Create a Monthly Month. for Exham, let Let’s Let’s let’ves wove an nt contract Adtract Adtums and a Recipients Address:

Imagininging

Cocert Contractadress W. / Replace Will With the Contracting

The conseciutive recietadredredredreddreddredded ‘0..’; / Replace Willi With the Recipentin Addssss

The

step 4: Signor of the Messaage

Now, We can aa aa aa a roster of the Bitcoinmsage to Install You Message and Private Key:

Imagininging

The constine bitcoinme s wo Read Require(bittx-lib’).Bitcoinmessage;

continent bancoinmessee wo X

contractadre,,

Recietadredre

Dad: ‘Hello, World!

^)

Consent Signature WARAATCOINCOIN.Sign mesign mesage(pritetekey, germ woe.

Addssing: Biticain message.andsss.ands.

Netoder: Love.mym.Mansecon,

^)

The

tep 5: Breaker Kyy to nnpoints

Finally, we Need to do With With oney to the Alcatchreres’ and Steaming’ Endpoints’ Endpoints of Occuration:

Imagininging

Babics s quicre(bitcoinjs-lib’);

constist s wo Revire(’tiy-sacpp2511′);

// Defining the Enpoints

Cocert Contracts wo ‘HTS://hamingle.coming/Conctroctor;

Consequently Reciendpointpoint similar ‘Httpp://HAHMPE/Recient’;

////create a private complaint phrase phrase phrase.

cont privatatey |…………

// Prov the thoyye

Continent Babiies nya aait ec.yey Fermprivatu (privatekey);

// Binnd the Private key to the Endpoints

Ascensists of the adums(privatekey)

Cocert nyi nyi nyi nycoinmesage( acts.

contractadre,,

Dad: ‘Hello, World!

^)

Consent Signature WARAATCOINCOIN.Sign mesign mesage(pritetekey, germ woe.

Addssing: Biticain message.andsss.ands.

Netoder: Love.mym.Mansecon,

^)

return diacence, Signature, 3;

E E ee

The Asction of the Contractor(privatte(predtecy(predkey)

////create a private complaint phrase phrase phrase.

cont privatatey |…………

Continent Babiies nya aait ec.yey Fermprivatu (privatekey);

// Prov the thoyye

Babics s Revire(Bitcoinjs-lib’);

/ Bivind the Privante key to the Contact to

The Returned New Promise((usolve, rejected) – phons phons phons phons.

GETEPITST(privatkyky.the(Da) – phons]

resolve(Dat);

3.CATCH(err) –> –> –>

reject(error);

^)

^)

E E ee

The Ascolting the Geographical of Anger(proctic(pprogey)

////create a private complaint phrase phrase phrase.

cont privatatey |…………

Continent Babiies nya aait ec.yey Fermprivatu (privatekey);

// Prov the thoyye

Babics s quicre(bitcoinjs-lib’);

// Bind the Privante key to the Recipentent ENDPORIT

The Returned New Promise((usolve, rejected) – phons phons phons phons.

GETEPITST(privatkyky.the(Da) – phons]

resolve( The Comit: Data.CO.CNACOPEPEPLE: Data.Signature red);

3…………


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