Homework on EVM

[Rasselas_Wildcat]

@filip

• What does the EVM do?
• What is the format of the instructions that the EVM can read?
• What is the relationship between the programming language Solidity and Bytecode?
• Why can’t Bitcoin run the same type of complex programs like Ethereum can?
• What is a Turing Complete programming language?

1. The EVM allows us to deploy code in such a way that all the nodes are in consensus on what the result should be. In other words, it ensures that all the nodes have the right updated information about the action that the code is commanding. The EVM is actually executing the smart contract.
2. Bytecode. The EVM understands bytecode coming from Solidity or Viper programming languages.
3. Bytecode is what the EVM understands and it is derived from the Solidity or Viper programming code that we enter.
4. Because the Bitcoin programmers did not want Bitcoin to get spammed. If they used a language that allowed loops (turing complete) the network could get spammed.
5. A Turing Complete programming language is able to solve all problems needed to solve for the smart contract or software.

[thecil]

Hello sir, did you forget to type your answers?

If you have any more questions, please let us know so we can help you!

Carlos Z.

[thecil]

2.What is the format of the instructions that the EVM can read?

@mikesjones

From what I’ve understood, the EVM reads and calculates the results in the smart contract and then tells the CPU to execute the contract then a final result will be updated into the smart contract through the EVM.

@nick_bell2017

The format that EVM’s is a language called Solidity which is simialr to JavaScript. There is also work on a language call Viper based on the popular Python language.

Indeed sir(s), just a minor correction so you can get the best picture of the subject:

Solidity is the programming language that you use to create/design smart contracts, after that, it will be compiled into ByteCode, so the format of the instructions that EVM reads is Bytecode.

Hope this gives you a clear picture of the subject.
If you have any more questions, please let us know so we can help you!

Carlos Z.

[thecil]

2.What is the format of the instructions that the EVM can read?

@CryptoSho

Solidity is the code language that it reads made up of byte codes. Not sure if that’s the answer your looking for don’t know if I understand the question correctly

Solidity is the programming language that you use to create/design smart contracts, after that, it will be compiled into ByteCode , so the format of the instructions that EVM reads is Bytecode .

5.What is a Turing Complete programming language?

@CryptoSho

Is a system that recognize or decide other data-manipulation rule sets

Turing complete is a term used in computability theory to describe abstract machines, usually called automata. Such an automaton is Turing complete , if it can be used to emulate a Turing machine. Now a programming language is said to be Turing Complete if it can simulate a single taped turing machine. Thus most programming languages are turing complete . C, C++, C#, Java , Lua, Python.

Hope this gives you a clear picture of the subject.
If you have any more questions, please let us know so we can help you!

Carlos Z.

[thecil]

2.What is the format of the instructions that the EVM can read?

@nick_bell2017

• The format that EVM’s is a language called Solidity which is simialr to JavaScript. There is also work on a language call Viper based on the popular Python language.
• The EVM takes Solidity and coverts it to Bytecode

Quite close sir, but Solidity is the programming language that you use to create/design smart contracts, after that, it will be compiled into ByteCode, so the format of the instructions that EVM reads is Bytecode.

If you have any more questions, please let us know so we can help you!

Carlos Z.

[CryptoSho]

It helps. I’ll watch the videos again and do some reading then I’ll get back to ya’ll with more questions. Thanks

[MarcusG]

1. What does the EVM do?

Ethereum Virtual Machine (EVM) runs on every Ethereum nodes and executes smart contracts.

2. What is the format of the instructions that the EVM can read?

The format of instructions that EVM reads is Bytecode.

3. What is the relationship between the programming language Solidity and Bytecode?

Solidity is a high-level programming language which can be compiled down to a low-level programming language Bytecode for EVM.

4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?

Bitcoin uses Script which is a stacked-based programming language that is Turing Incomplete. It was intentionally designed to be kept simple so that developers can predict with high accuracy how it is going to react in the finite number of situations in which it is used.

Ethereum uses Solidity which is Turing Complete. It has the capability to build infinite loops and perform virtually any task.

5. What is a Turing Complete programming language?

A Turing Complete programming language is able to successfully simulate a universal Turing Machine which when given enough time, memory and instructions, can solve any computational problem, no matter how complex.

[tcoltman]

1. What does the EVM do?
   EVM makes it possible to execute code on the BlockChain
2. What is the format of the instructions that the EVM can read?
   byte code
3. What is the relationship between the programming language Solidity and Bytecode?
   Solidity is what a programmer uses to program (english) and once compile will be bytecode which evm can read and execute
4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?
   Bitcoin uses script which is not Turing Complete and limited
5. What is a Turing Complete programming language?
   Its a language that can have many programming commands like loops to intelligently determine what to do

[JustG]

1. What does the EVM do?

The EVM is the environment within which the smart contract is executed and managed. A copy of the EVM resides on every node in the ethereum network. Each EVM executes the smart contract instructions and, if all nodes agree on the result of the smart contract code, the network will have reached consensus.

2. What is the format of the instructions that the EVM can read?

The format of the instruction the EVM can read is called Bytecode.

3. What is the relationship between the programming language Solidity and Bytecode?

Solidity is the programming language used by the people writing the code. The compiler then compiles the Solidity code into Bytecode, which is used by the EVM.

4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?

Bitcoin does have a programming language, called Script; however, it is very limited and primitive and does not allow for programming of complex applications. Script is not a Turing Complete language.

5. What is a Turing Complete programming language?

A Turing Complete language is more advanced, having more features and capabilities that can be used to program (theoretically) any kind of program imaginable.

[Amjak]

1. an EVM reads and executes smart contract on the blockchain by making use of the resources available to each node running it.

2. EVM can read byte code instruction.

3. solidity is the language a programmer can use to write a smart contract, once done the code is compiled by the computer into a set of instructions that the evm can understand which is in the format of byte code.

4. because bitcoin uses script coding language that isn’t turing complete.

5. A Turing Complete programmimg language is one that can solve all possible computations.

[strenev]

1. The EVM runs on top of Node CPUs and basically translates the instructions of the smart contracts to the CPU
2. Smart Contracts written in Solidity
3. The smart contracts written in solidity are compiled to bytecode
4. Because Bitcoin’s scripting language (SCRIPT) is not Turing complete
5. Turing complete programming language is a language which can execute solve any computation problem

[thecil]

2.What is the format of the instructions that the EVM can read?

@strenev

Smart Contracts written in Solidity

Quite close sir, but Solidity is the programming language that you use to create/design smart contracts, after that, it will be compiled into ByteCode, so the format of the instructions that EVM reads is Bytecode.

If you have any more questions, please let us know so we can help you!

Carlos Z.

[cryptopowers]

1. What does the EVM do?

   The EMV provides a runtime environment ( operating system ) on the Ethereum network. It executes bytecode transactions on the Ethereum network. The EVM also creates a layer of separation between the running program code and the hardware machine.

2. What is the format of the instructions that the EVM can read?

   Opcode instruction encoded to bytecode

3. What is the relationship between the programming language Solidity and bytecode?

   Solidity is a higher level language that is easier to write than bytecode. The Solidity language program is compiled to create the bytecode that can run on the EVM

4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?

   Bitcoin’s language is not Turing complete meaning that it has limited functionality

5. What is a Turing Complete programming language?

   Turing complete means that the programming language can perform any possible calculation or computer programing logic.

[strenev]

Thanks for the clarification Carlos, this is what I meant actually !

[Creator3168]

1. What does the EVM do?
   EVM is a software program that is on every node on the Ethereum Blockchain Network that is capable of reading and executing smart contracts on the hardware of the node. It reads the machine language and performs the calculations specified in the instructions in the smart contract and when all the nodes arrive at the same result, a consensus is reached and the transaction is added to the blockchain.
2. What is the format of the instructions that the EVM can read?
   The EVM is capable of reading the instructions in machine language (bytecodes).
3. What is the relationship between the programming language Solidity and Bytecode?
   Solidity is a specific programming language used by the programmer that is compiled into Bytecode, a sequence of binary 0’s and 1’s which can be read by the CPU of the node. Programming languages other than Solidity can also be compiled into machine language or bytecode that can be read and executed by the node.
4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?
   Bitcoin is incapable of running the same type of complex programs like Ethereum can because it is run on a Script language that is not Turing Complete. That is, it is only capable of simple calculations and may not reach a final result at the end of the calculations. This makes it impractical for smart contracts to be used on Bitcoin where consensus is critical.
5. What is a Turing Complete programming language?
   A Turing Complete programming language is one that allows iterative instructions to be written into the program to perform a particular set of instructions repeatedly until a condition is met. This ensures that a result is achieved given enough calculations are performed.

[Mr_AhWen]

[quote=“filip, post:1, topic:8443”]

• What does the EVM do?

1. EVM (Ethereum Virtual Machine) runs on each node and takes ETH’s programming language, Solidity and compiles byte code that can be read by the nodes’ CPU to execute smart contracts. It enables security by being a buffer between the network and CPU of the node and stops smart contracts ‘escaping’ to the CPU.

• What is the format of the instructions that the EVM can read?

2. Byte code

• What is the relationship between the programming language Solidity and Bytecode?

3. Smart contracts are written in Solidity and are then compiled into Byte code to be read by the EVM.

• Why can’t Bitcoin run the same type of complex programs like Ethereum can?

4. Because it is not Turin Complete. BTC can run very simple code using Script language like having multiple signatories to sign a transaction. However, ETH can be programmed to do anything.

• What is a Turing Complete programming language?

5. It is a language that can be programmed to do anything.

[claudiorox]

1: run strings of code (smart contracts) as programmed by the user.

2: Byte code

3: programmers code in Solidity language, it then gets compiled in bytecode ready to be read by the EVM x usage on the ethereum blockchain

4: Bitcoin wasn’t meant for that. It can only run simple scripts like multi-sig commands. It’s more comparable to digital gold. Good as a store of value, not for running complex programs on it.

5: a programming language that can perform any task we want in theory.

[stevecav]

1. The EVM runs smart contracts in an isolated enviroment
2. Instructions are in ByteCode
3. Solidity is complied to bytecode to be read by the interpreter
4. It is not Turing Complete, does not support loops, does not support storing arbitrary code
5. Turing complete languages is one that can solve any problem, including looping functionality, branchig etc…

[Samore]

1. What does the EVM do?
   Evm reads Byte Code and executes commands within a Smart Contract
2. What is the format of the instructions that the EVM can read?
   The format is Byte Codes compiled from Solidity.
3. What is the relationship between the programming language Solidity and Bytecode?
   Solidity is written using commands that are easier for those concerned with the transparency of Smart Contracts to understand. It is then Compiled into Byte Code for execution by the EVM.
4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?
   Bitcoin uses the Script Language which is very limited in its ability to perform complex functions, ie. not Turing Complete.
5. What is a Turing Complete programming language? It is a language, such as Solidity, that can execute complex commands, such as loops.

[kenn.eth]

1. What does the EVM do?

Its translate the code written in a smart contract to a readable format for the CPU. Also provide security processing the code.

2. What is the format of the instructions that the EVM can read?

EVM translate solidity, viper or any language to binary format (Bytecode).

3. What is the relationship between the programming language Solidity and Bytecode?

Solidity is a language like javascript with a human friendly readable format. Its contain a secure way to write it for been translate to bytecode.

4. Why can’t Bitcoin run the same type of complex programs like Ethereum can?

The script bitcoin language have no loops, and that’s make it not able to write easy complex contracts.
You can write complex code but will carry more lines, time and efford to make it work easy

5. What is a Turing Complete programming language?

It is a abstract machine language for complex operations. This allow looping back and forward, iterations for example. You can set it to deliver many task at once.