BLOCKCHAIN
by Alexey Kosinski
Experience
so many projects
Block Chain
Sync
Crypto currencies
Smart Contracts
Solidity
Mining
TASK 1
2 + 2 = ?
TASK 2
A B C ?
TASK 3
(2+3) * 4 = ?
TASK 4
3*3 + 4*4 = ?
Crypto tokens
ERC20 contract
| user | amount |
|---|---|
| Harry Potter | 435.323234 |
| Albus Dumbledore | 10002.456775 |
| Hermione Granger | 94734.2312354 |
Transfer
Symbol of tokens: NRD
Name of tokens: NORDWHALE
.....
| user | amount |
|---|---|
| 0xcacc930e59.... | 435.323234 |
| 0x02d64e0c9f... | 10002.456775 |
| 0x6a536955e8... | 94734.2312354 |
Amount of tokens: 10 000 000 000
Crypto wallet
HD WALLET: party glance topic collect bird soon thumb zebra note claw envelope question orphan online today
ICO
ICO
TOKEN
ICO
TOKEN
ETHEREUM
Backend
Frontend
KYC
....
?
BLOCKCHAIN by Alexey Kosinski