Week1 : Hashing Week2 : Encryption Slides <a target="_blank" href="https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8">DailyCode (</a><a target="_blank" href="http://100xdevs.com">100xdevs.com</a><a target="_blank" href="https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8">)</a>
<a target="_blank" href="https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8">Week3 : Hashing algorit</a>hm etheream uses ECDSA
Slides: <a target="_blank" href="https://petal-estimate-4e9.notion.site/Creating-a-web-based-wallet-b628b611dd934ca8b68a2654ac14fdb4">https://petal-estimate-4e9.notion.site/Creating-a-web-based-wallet-b628b611dd934ca8b68a2654ac14fdb4</a>
<img src="https://petal-estimate-4e9.notion.site/image/https%3A%2F%2Fprod-files-secure.s3.us-west-2.amazonaws.com%2F085e8ad8-528e-47d7-8922-a23dc4016453%2Fc38c3daf-6ed9-4024-834d-7dc39b8cbb7b%2FScreenshot_2024-08-16_at_7.05.42_PM.png?table=block&amp;id=4ad78672-8a18-4c6e-9239-930e241b5af2&amp;spaceId=085e8ad8-528e-47d7-8922-a23dc4016453&amp;width=1270&amp;userId=&amp;cache=v2" alt />
Ethereum public addresses are 20 bytes
<h3 id="heading-hd-wallets-hierarchial-deterministic">HD wallets (Hierarchial Deterministic)</h3>
bitcoin 2008 launched.
<ol>
<li>create a 12-word pnumonic
</li>
<li>from that seeed phrase
</li>
<li>from that various blocks/derivation paths
</li>
</ol>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1723821148097/bc637de7-231d-494d-a8e1-39a55a6f56ad.png" alt class="image--center mx-auto" />
<h3 id="heading-solana">Solana</h3>
Solana public keys are 32 bytes thats y eth public key is short than Sol
<hr />
Full stack Front vs Back:
JSON-RPC(Remote procedure call) TRPC TRPC
in postman write this code:
{ "jsonrpc": "2.0", "id": 1, "method":"eth+getBalance"; "params":["0xaeaa570b50ad00377ff8add27c50a7667c8f1811","latest"] } 
take-home works:
install postman

Week1 : Hashing  
Week2 : Encryption Slides [DailyCode (](https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8)[100xdevs.com](http://100xdevs.com)[)](https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8)

[Week3 : Hashing algorit](https://projects.100xdevs.com/tracks/public-private-keys/Public-Key-Cryptography-8)hm etheream uses ECDSA

Slides: [https://petal-estimate-4e9.notion.site/Creating-a-web-based-wallet-b628b611dd934ca8b68a2654ac14fdb4](https://petal-estimate-4e9.notion.site/Creating-a-web-based-wallet-b628b611dd934ca8b68a2654ac14fdb4)

![](https://petal-estimate-4e9.notion.site/image/https%3A%2F%2Fprod-files-secure.s3.us-west-2.amazonaws.com%2F085e8ad8-528e-47d7-8922-a23dc4016453%2Fc38c3daf-6ed9-4024-834d-7dc39b8cbb7b%2FScreenshot_2024-08-16_at_7.05.42_PM.png?table=block&id=4ad78672-8a18-4c6e-9239-930e241b5af2&spaceId=085e8ad8-528e-47d7-8922-a23dc4016453&width=1270&userId=&cache=v2 align="left")

Ethereum public addresses are 20 bytes

### HD wallets (Hierarchial Deterministic)

bitcoin 2008 launched.

1. create a 12-word pnumonic
    
2. from that seeed phrase
    
3. from that various blocks/derivation paths
    

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1723821148097/bc637de7-231d-494d-a8e1-39a55a6f56ad.png align="center")

### Solana

Solana public keys are 32 bytes  
thats y eth public key is short than Sol

---

Full stack Front vs Back:

JSON-RPC(Remote procedure call)  
TRPC  
TRPC

in postman write this code:

{ "jsonrpc": "2.0",  
"id": 1,  
"method":"eth+getBalance";  
"params":\["0xaeaa570b50ad00377ff8add27c50a7667c8f1811","latest"\]  
}  

***take-home works:***

install postman

week 3 day 1 web3

Insightful fresher to be graduating by May 2024 with a background in electronics and driven by self-practice of programming, web development through open source and workshops.
