The Beginners Guide To Crypto - Revision history

Mediawiki: /* Quest: Decrypt message */

2024-12-20T01:48:24Z

Quest: Decrypt message

← Older revision		Revision as of 03:48, 20 December 2024
Line 233:		Line 233:
	QklFMQLVRrf24UKTrlarxhO7+M7iFVTFpwhbUYrdhA0roM8XBU/Iz/XAVM2ELypA73vp626kaWj9BYphZnA/ysmzS2Fq6lU6P/3C5oLDKkfg6WjHJbPAal/8W4V3Zkrlkn0FpLg=		QklFMQLVRrf24UKTrlarxhO7+M7iFVTFpwhbUYrdhA0roM8XBU/Iz/XAVM2ELypA73vp626kaWj9BYphZnA/ysmzS2Fq6lU6P/3C5oLDKkfg6WjHJbPAal/8W4V3Zkrlkn0FpLg=

	Task: Use the encrypt/decrypt tool in Electrum's wallet to decrypt this message. Share a screenshot of the decrypted message.		Task: Use the encrypt/decrypt tool in Electrum's wallet to decrypt this message. Share a screenshot of the decrypted message. Input the Encrypted message and the Public key and hit "decrypt".

			'''Exercise:'''

			To create the above example, we navigated to the Encrypt/Decrypt tab under "tools" in the Electrum wallet.

			then typed the message.
			Input the Public Key that will be used to decrypt the message.

			And click on Encrypt to create the encrypted message above.

	=Crypto Market Cap:=		=Crypto Market Cap:=

Mediawiki: /* Qeust: Decrypt message */

2024-12-20T01:37:18Z

Qeust: Decrypt message

← Older revision		Revision as of 03:37, 20 December 2024
Line 219:		Line 219:
	Public and Private Pairs of keys are the heart of cryptocurrency technology, they match each other like lock and key. Let’s illustrate how it works in Bitcoin.		Public and Private Pairs of keys are the heart of cryptocurrency technology, they match each other like lock and key. Let’s illustrate how it works in Bitcoin.

	==~~Qeust~~: Decrypt message==		==Quest: Decrypt message==

	Bob will send you an encrypted message.		Bob will send you an encrypted message.

Mediawiki: /* Bitcoin and Cryptography */

2024-12-20T01:36:49Z

Bitcoin and Cryptography

← Older revision		Revision as of 03:36, 20 December 2024
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	~~'''~~Encrypt / Decrypt a message~~'''~~		==Quest: Encrypt / Decrypt a message==

	Example:		'''Example:'''

	* Bob wants to receive a secret message from Alice,		* Bob wants to receive a secret message from Alice,
Line 219:		Line 219:
	Public and Private Pairs of keys are the heart of cryptocurrency technology, they match each other like lock and key. Let’s illustrate how it works in Bitcoin.		Public and Private Pairs of keys are the heart of cryptocurrency technology, they match each other like lock and key. Let’s illustrate how it works in Bitcoin.

	==~~Quest~~: ~~Encrypt~~ message==		==Qeust: Decrypt message==

			Bob will send you an encrypted message.

			First he will share with you his public key:

	~~==Qeust~~: ~~Decrypt message=~~=		03e5ab3177320108be0ebafa44a23fc199b0e07fa81dcf35711d923d6da298e950

			After that, he can send you encrypted messages over a public channel and only you can decrypt them.

			Here is Bob's encrypted message:

			QklFMQLVRrf24UKTrlarxhO7+M7iFVTFpwhbUYrdhA0roM8XBU/Iz/XAVM2ELypA73vp626kaWj9BYphZnA/ysmzS2Fq6lU6P/3C5oLDKkfg6WjHJbPAal/8W4V3Zkrlkn0FpLg=

			Task: Use the encrypt/decrypt tool in Electrum's wallet to decrypt this message. Share a screenshot of the decrypted message.

	=Crypto Market Cap:=		=Crypto Market Cap:=

Mediawiki: /* Quest: Digital Signatures */

2024-12-20T01:19:55Z

Quest: Digital Signatures

← Older revision		Revision as of 03:19, 20 December 2024
Line 175:		Line 175:
	'''Message:'''		'''Message:'''

			message
	~~This address belongs to the Beginners Guide to Crypto.~~

	~~bc1q6fyqcyyhkn8cy76acnf385hunpfarfxr2p8jxu~~

	~~You can check this for yourself by entering the~~ message~~, the address and the digital signature provided,~~
	~~and Verify it using the Electrum wallet Verify option.~~

	~~Only the owner of the Private Key associated with the above address can produce the digital signature.~~

	~~As a check, try changing this message even by a blank space, and you will see that it spoils the~~
	~~digital signature.~~


Line 198:		Line 187:


	~~IAN6GgMTg5eH7dR5KedbopS8Y4edvtE9N~~+~~f5E6jzxHAxAY1Ri62~~+~~qKrl8~~+~~3QPqKijgCuDGWyH~~+~~ldF00UVNj9MUU~~=		H0DBXVTGOZAzmgy/c2d1NB/Kl+vijA2ISoJFWwZoGcXWCz6687a6+fsY8B2j0+T6TEjGZ+AAG/71MFobEP2LIh4=

Mediawiki: /* Quest: Digital Signatures */

2024-12-20T01:09:50Z

Quest: Digital Signatures

← Older revision		Revision as of 03:09, 20 December 2024
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	==Quest: Digital Signatures==		==Quest: Digital Signatures==

	Example:		'''Example:'''

	Alice wants to prove that a particular Bitcoin address belongs to her. So she signs a message with the Private Key		Alice wants to prove that a particular Bitcoin address belongs to her. So she signs a message with the Private Key
Line 173:		Line 173:


	Message:		'''Message:'''


Line 189:		Line 189:


	Bitcoin Address:		'''Bitcoin Address:'''


Line 195:		Line 195:


	Signature:		'''Signature:'''

Mediawiki: /* Quest: Digital Signatures */

2024-12-20T01:08:16Z

Quest: Digital Signatures

Mediawiki: /* Public and Private Key Cryptography. */

2024-12-20T01:07:01Z

Public and Private Key Cryptography.

@@ Line 145: / Line 145: @@
 * Information encrypted with the Private Key can only be decrypted with the corresponding Public Key.
-This is very useful for creating digital signatures.
+And for creating digital signatures.
-'''For example:'''
+'''Relation to Bitcoin:'''
-*Alice signs a document with Alice’s Private Key.
+Message:
-And secure communications:
+bc1q6fyqcyyhkn8cy76acnf385hunpfarfxr2p8jxu
-'''For example:'''
+Only the owner of the Private Key associated with the above address can produce the digital signature.
 * Bob wants to receive a secret message from Alice,
@@ Line 169: / Line 216: @@
 This method has the advantage that two unknown persons can send encrypted messages to each other by sharing their Public Keys.
 Public and Private Pairs of keys are the heart of cryptocurrency technology, they match each other like lock and key. Let’s illustrate how it works in Bitcoin.
 ==Quest: Encrypt message==

Mediawiki at 19:24, 18 December 2024

2024-12-18T19:24:10Z

Show changes

Mediawiki: /* Bitcoin in Practice */

2024-12-18T17:11:36Z

Bitcoin in Practice

@@ Line 61: / Line 61: @@
 Sending Bitcoin is also very easy, you get the Bitcoin address of the person you want to send funds to, and paste it in the "Pay to" field in your wallet.
-If you have a Bitcoin URI you can paste that in the "Pay to" field and the wallet will fill in the details of the transaction.
+If you have a Bitcoin URI you can paste that in the "Pay to" field and the wallet will fill in the details of the transaction, to see how it will appear
 Task: Paste the URI you generated in the previous quest and share a screenshot of your "send" tab in the wallet.
 'Exercise:'

Mediawiki: /* Bitcoin in Practice */

2024-12-18T16:36:28Z

Bitcoin in Practice

@@ Line 34: / Line 34: @@
 Copy the 12 words in the correct order on paper.
 Keep this physical copy where you won't forget it.
 ==Quest: Private Keys and Addresses==
@@ Line 109: / Line 165: @@
 but you can use public and private keys to digitally sign or encrypt/decrypt messages. We will have some fun with this later on.
 =Crypto Market Cap:=

← Older revision		Revision as of 03:08, 20 December 2024
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	Alice wants to prove that a particular Bitcoin address belongs to her. So she signs a message with the Private Key		Alice wants to prove that a particular Bitcoin address belongs to her. So she signs a message with the Private Key
	associated with the address.		associated with the address.


	Anybody with the message the bitcoin address and the digital signature can verify that the address belongs to her.		Anybody with the message the bitcoin address and the digital signature can verify that the address belongs to her.
	Only the owner of the Private Key associated with the bitcoin address can create the digital signature. Even the smallest change		Only the owner of the Private Key associated with the bitcoin address can create the digital signature. Even the smallest change
	in the message spoils the signature.		in the message spoils the signature.


	Verify the digital signature provided below.		Verify the digital signature provided below.


	Go to the Sign/Verify window under Tools in the Electrum wallet.		Go to the Sign/Verify window under Tools in the Electrum wallet.

	Paste the following information in the corresponding fields.		Paste the following information in the corresponding fields.


	Message:		Message:


	This address belongs to the Beginners Guide to Crypto.		This address belongs to the Beginners Guide to Crypto.
Line 182:		Line 187:
	As a check, try changing this message even by a blank space, and you will see that it spoils the		As a check, try changing this message even by a blank space, and you will see that it spoils the
	digital signature.		digital signature.


	Bitcoin Address:		Bitcoin Address:


	bc1q6fyqcyyhkn8cy76acnf385hunpfarfxr2p8jxu		bc1q6fyqcyyhkn8cy76acnf385hunpfarfxr2p8jxu


	Signature:		Signature:


	IAN6GgMTg5eH7dR5KedbopS8Y4edvtE9N+f5E6jzxHAxAY1Ri62+qKrl8+3QPqKijgCuDGWyH+ldF00UVNj9MUU=		IAN6GgMTg5eH7dR5KedbopS8Y4edvtE9N+f5E6jzxHAxAY1Ri62+qKrl8+3QPqKijgCuDGWyH+ldF00UVNj9MUU=


	Click on Verify.		Click on Verify.


	Only the owner of the private key associated with the Bitcoin address can create the digital signature.		Only the owner of the private key associated with the Bitcoin address can create the digital signature.

	Try changing anything and the signature stops working.		Try changing anything and the signature stops working.


	Task: Verify the digital signature and send a screenshot of the verification message.		Task: Verify the digital signature and send a screenshot of the verification message.

	Task: Make a small change in the original message and try verifying again the signature. Share a screenshot of the (failed) verification message.		Task: Make a small change in the original message and try verifying again the signature. Share a screenshot of the (failed) verification message.