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What is Solana’s Programmability?
For starters, smart contracts in Solana are called programs and are stateless. This means that, unlike Ethereum smart contracts which contain both the program logic and state, Solana programs contain only the logic and are deployed on-chain in a ‘read-only’ mode. Once deployed, the programs can be accessed by external accounts, which contain the data related to program interaction (unlike Ethereum accounts, accounts on Solana can store data). This separation of logic and state informs the specific production flow of Solana dApps.
Every Solana dApp consists of two parts: a blockchain-based program (or set of programs) and a web application through which users can interact with the blockchain code. The blockchain program is deployed directly to a Solana cluster and users can then send instructions to the program via transactions. A single transaction can contain one or several instructions, which are then executed sequentially and atomically. If all instructions are valid, the program is successfully executed. However, if even a single instruction is invalid, the changes made by the transaction are discarded.
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What are Solana’s Ups and downs?
Solana’s impressive performance in terms of transaction throughput and cost effectiveness has allowed the protocol to emerge as one of the most prominent players in the DLT space. The recent boom of Solana-based NFTs and the rise of NFT marketplaces like Solanart has shown that the platform is ca...
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What is Solana’s Proof of Stake?
In addition to Proof of History, Solana utilizes a Proof of Stake algorithm which lets users stake tokens to help secure the Solana network. The protocol uses a delegated stake model, which sees users delegating their tokens to established network validators. This is a shared-risk, shared-reward ...
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Even though Solana is a relative newcomer to the blockchain space, the protocol has already established itself as one of the most prominent blockchain projects out there. The rising popularity of NFT marketplaces running on Solana ha...
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Every Solana dApp consists of two parts: a blockchain-based program (or set of programs) and a web application through which users can interact with the blockchain code. The blockchain program is deployed directly to a Solana cluster and users can then send instructions to the program via transac...
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Architecture
At the heart of the protocol’s architecture lies the Solana cluster – a set of validators working together to serve client transactions and maintain a ledger. At any given moment, a cluster has a leader, with the role being in rotation among all validators participating in that cluster. The clust...
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What is Solana’s Proof of History?
Yakovenko and the Solana team found a way to utilize that method in a blockchain-based system by using a similar mechanism to the nLocktime feature that can be found in the original blockchain protocol – Bitcoin. NLocktime allows for postdate transactions using block height instead of timestamps....
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Ethereum Virtual Machine (EVM)
Ether is made of a blockchain (an immutable database) and a world decentralised computer (EVM), a virtual machine in which all the smart contracts function in Ethereum.
The EVM is a simple yet powerful Turing Complete 256-bit virtual machine. Turing Complete means that given the re...
From Bitcoin to Smart Contracts
Bitcoin created a decentralized monetary system which can transfer money from one person to another. That only allowed for monetary transactions, there was no way to add conditions to those transactions:
Alice can send Bob 5 BTC, but she couldn’t tell Bob that he will ...
What is self-awareness
Self-awareness is the recognition of one's own emotional state at any given point in time.
We are far to often, wholly unaware of the emotional state we are currently in, and the degree to which that state influences our behavior and thought process.
- To the ...
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