Linked Questions

0
votes
1answer
143 views

what is the maximum size of an ethereum transaction? [duplicate]

I want ot know what is the maximum size of an ethereum transaction ? I have a DAPP that makes a 1Milion transactions per year, I want to describe the deployment requirements such as Storage, RAM etc ....
41
votes
2answers
10k views

Is there a (theoretical) limit for amount of data that a contract can store?

Is there a theoretical limit to the amount of data that one contract can store while running in a private net in which gas is not a concern? Context: In a financial Dapp which is to replace global ...
33
votes
3answers
30k views

How can I store data in ethereum blockchain

I want to store pdf hash in blockchain I already read this post What are some proposed ways of storing data in Ethereum? But I'm beginner in this domain and I don't understand... Is it possible to ...
11
votes
3answers
28k views

Storing document/file in blockchain [duplicate]

I am planning to do a POC on blockchain for uploading and verifying documents. I was wondering if I can store a complete document in blockchain. After some research on net most of the example, I found ...
21
votes
1answer
3k views

What is the max size of transactions can clients like geth keep in txpool?

What is the limit of transactions Ethereum clients can keep in transaction pool? Geth can keep 64 transactions per address according to this answer, but what is the max size of total transactions in ...
15
votes
2answers
2k views

Why was Frontier's “default” gasLimit = 3141592?

I've noticed this number at least in two places: On the Ethereum Network Status web page. In the sources of pyethereum. The number looks suspiciously familiar, and I keep asking myself: "Where ...
10
votes
1answer
5k views

How can I store big files on the blockchain?

I can hardly create transactions larger than 100kiB. I am wondering, is it possible to store huge files (several MiB or GiB) on the blockchain? If so, how?
10
votes
2answers
3k views

Large contract (bytecode >= 45K) causes out-of-gas on deploy

I need some advice about handling a large contract. At a certain size it causes an out-of-gas error when I deploy to a local testrpc node. I experience this when the bytecode reaches approximately 45K....
2
votes
2answers
6k views

What is the size (bytes) of a simple Ethereum transaction versus a Bitcoin transaction?

Alice owns an empty Ethereum wallet. Receives 1 ETH then sends 1 ETH to Bob. Alice owns an empty Bitcoin wallet. Receives 1 BTC then sends 1 BTC to Bob. What are the transaction sizes in bytes (...
4
votes
2answers
5k views

How to move DAO tokens in myetherwallet.com to Ethereum Wallet?

I'm new to Ethereum and trying to learn. I bought DAO tokens using myetherwallet.com, I can see them when I log in, but how do I move them to Ethereum Wallet in order to Watch the Contract and Vote? ...
10
votes
1answer
3k views

How do I compare the “scalability” capabilities between ethereum and bitcoin?

I'm trying to assess how they can be compared. Bitcoin can process 7 trans/sec, is there some equivalent on the Ethereum side? How should I think about this and what quantitative info should I use?
8
votes
1answer
2k views

Private chain: Maximum size of “data” field in an Ethereum transaction?

The data field can be used to send arbitrary data in a transaction. I am aware that the amount of gas required increases with the increase in size of data, but, is there a limit to the size that's ...
8
votes
1answer
879 views

What is the composition of the blockchain database?

From axic's explanation of the structure of the ethereum database, we learned that data is stored in Merkle Patricia tries, usually inside a LevelDB store. It consists of structures such as blocks, ...
4
votes
1answer
1k views

Storing data in the blockchain inside a transaction

This question is related to this one and this one. I'm trying to store data in the blockchain inside the transaction data field: The second question offers a solution using a contract but is it ...
6
votes
3answers
508 views

Is it possible to verify Ethash PoW in a contract?

Reading on EtHash, I was thinking if it is possible to verify the current Ethereum Proof Of Work by a smart contract. There is an instruction SHA3, which computes 256-bit hash, but EtHash uses 512-bit ...

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