1-
open a wallet account means hot wallet, these services most of the time also doing exchange (buy crypto with your debit card) ( ref - Best Crypto Exchanges and Apps of April 2022 )
2-
Cold wallet is that you have the private key to a DVD or USB (aka offline), you can create a cold wallet by your own [2] or buy a ledger.
Afterwards, once you done a transaction the private key needed to be uploaded to wallet website. For safety reasons you have to regenerate public & private keys, means that your cold wallet address will change!
For bitcoin only, each time you request a payment, your BTC wallet will generate a new address automatically. (src)
Keys Generators
When a transaction made, is a block, that has to inserted to blockchain, this article describes how is working.
Public blockchains: such as Bitcoin, are large distributed networks that are run through a native cryptocurrency. A cryptocurrency is a unique bit of data that that can be traded between two parties. Public blockchains are open for anyone to participate at any level and have open-source code that theircommunity maintains.
Permissioned blockchains: such as Ripple, control roles that individuals can play within the network. They’re still large and distributed systems that use a native token. Their core code may or may not be open source.
Private blockchains: also known as distributed ledger technology (DLT) tend to be smaller and do not utilize a token or cryptocurrency. Their membership is closely controlled. These types of blockchains are favored by consortiums that have trusted members and trade confidential information.
open a wallet account means hot wallet, these services most of the time also doing exchange (buy crypto with your debit card) ( ref - Best Crypto Exchanges and Apps of April 2022 )
2-
Cold wallet is that you have the private key to a DVD or USB (aka offline), you can create a cold wallet by your own [2] or buy a ledger.
Afterwards, once you done a transaction the private key needed to be uploaded to wallet website. For safety reasons you have to regenerate public & private keys, means that your cold wallet address will change!
For bitcoin only, each time you request a payment, your BTC wallet will generate a new address automatically. (src)
Keys Generators
Each cryptocurrency has its own algorithm to generate public & private keys. The keys can be generated offline, the network doesn't have to updated, once a transaction made then the public key will be written into the block.
- CashAddress - generate also paper wallet
- Wallet-generating tool (browse the page, then disconnect the internet!)
- For test only mobilefish calculator (presentation)
Transactions are stored publicly and permanently on the network, which means anyone can see the balance and transactions of any address.
3-When a transaction made, is a block, that has to inserted to blockchain, this article describes how is working.
Public blockchains: such as Bitcoin, are large distributed networks that are run through a native cryptocurrency. A cryptocurrency is a unique bit of data that that can be traded between two parties. Public blockchains are open for anyone to participate at any level and have open-source code that theircommunity maintains.
Permissioned blockchains: such as Ripple, control roles that individuals can play within the network. They’re still large and distributed systems that use a native token. Their core code may or may not be open source.
Private blockchains: also known as distributed ledger technology (DLT) tend to be smaller and do not utilize a token or cryptocurrency. Their membership is closely controlled. These types of blockchains are favored by consortiums that have trusted members and trade confidential information.
.01% of Bitcoin holders hold 27% of all Bitcoin
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Insider Trading in Cryptocurrency Markets