Questions tagged [whisper]
Whisper is an upcoming P2P messaging protocol that will be integrated into the EtherBrowser
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Ethereum old private messages site
I know this may be a long shot but I am looking for an old (was functional 1 - 2 years ago) messaging site on the ethereum network.
Sob story begins
I wrote my now ex a love message on this website ...
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Does geth removed whisper(--shh)?
Here (https://geth.ethereum.org/docs/interface/command-line-options) I can see that --shh flag exists, under geth v1.9.19-stable-3e064192
WHISPER (EXPERIMENTAL) OPTIONS:
--shh ...
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How to run a simple Whisper (SHH) example
I am struggling to get a simple whisper (shh) example running.
I am using the following versions:
geth 1.9.24-stable-cc05b050
web3 6.14.5
I am running geth with the following command:
geth --shh --rpc
...
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Messaging platform with public-private key pairs as identifier [closed]
Is there any platform available for Ethereum address 0x1d53.. to message 0xcc23..., and so on? It seems like there would be a lot of demand for something like that, which suggests it exists. Off-chain,...
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Does go-ethereum/whisper provides any kind of Public Key Server to obtain other nodes' public key
For example GnuPG has a Public Key Server, where users able to obtain other users public-keys by using a key ID.
https://security.stackexchange.com/a/110146/179928:
OpenPGP User IDs
User IDs in ...
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Are there any web3 libraries for react-native or for android light-client?
I want to create a chat application using the whisper protocol for android platform
, But I'm trying to use the current web3 package with react-native but I'm unable to use it as web3 package has ...
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How to use shh.subscribe
I want to use the web3-shh functionality. I used the example from readthedocs(web3-shh). Everything works except for the subscribe operation. It raises following error:
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What is the current state of Swarm and Whisper?
What is the current state of Swarm ? Are they decentralized as they claim they are or they are still in development ?
I am asking this because I've seen that there is no incentive for the nodes to ...
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What are some good alternatives to Whisper for blockchain messaging?
I have been experimenting with Ethereum and I achieved good results with Whisper in a private network. The main problem though is that it is pretty slow even when nodes are running in the same ...
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Whisper shh subscribe VS newMessageFilter
Can anyone explain the difference between shh_subscribe and shh_newMessageFilter functions? Their getters (shh_subscription and shh_getFilterMessages) return almost identical results.
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How to enable mail server (mailserver) when starting a whisper node by using "geth"?
As title, I can't find any flag about enabling the "mailserver" when starting whisper node.
However, I found a Diagnostic Tool called "wnode"：https://github.com/ethereum/go-ethereum/wiki/Diagnostic-...
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What is the position of Whisper and Swarm in the Ethereum 2.0 Roadmap
Back in 2015, Ethereum vision was to be a "World Computer" relying on three main complementary technologies:
Ethereum for decentralized Logic
Swarm for decentralized Storage
Whisper for decentralized ...
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Can I expose a dapp via whisper ?
I have a question regarding the possibility and probably the steps to do in order to be able to export my App via the whisper protocol.
how to do it and in which case it can be better than other ...
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How to connect REACT-NATIVE with whisper ethereum protocol using GETH or any light Client or API
is there any thing connect to whisper(web3.shh) protocol in react-native.
How to connect REACT-NATIVE with whisper ethereum protocol using GETH or any light Client or API
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Relationship between Ethereum block and Whisper
When a message is sent to another node with a whisper, it is immediately visible regardless of the block. If so, does the block have a record of using whisper?
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Does mainnet support Whisper protocol?
I am interested in Whisper. I read that Whisper is based on Ethereum p2p protocol on github. Then does ethereum mainnet support Whisper on itself too ?
Anyway, what I wonder is ...
1. Is Whisper only ...
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Whisper: How to send a message from one node to another that is located on different host?
geth version: 1.8.15-unstable
Python: 3.5
OS: osx/linux
I have followed this answer.
On the answer's approach, I observe that each node can only send message to itself and other nodes don't filter/...
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Is there any Ropsten (or any other testnet) node with whisper enabled?
I am trying the embark framework which has whisper integration. I wanted to deploy the dapp and test it live. If there is one could you let me know the endpoint and port. Thanks :)
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How to send 1-N signalling or broadcast messages on Whisper?
From Whisper wiki:
Low-latency, 1-1 or 1-N signalling messages.
Shh.post(self, message:) and Whisper Usage / shh.post
Creates a whisper message and injects it into the network for
...
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Whisper: Error: failed to reach the PoW target, specified pow time (5 seconds) was insufficient
From web3.py docs/SHH_API:
ttl: Time-to-live in seconds.
powTime: Maximal time in seconds to be spent on proof of work.
powTarget: Minimal PoW target required for this message.
On the ...
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Whisper: How could we print received messages that are actually stored in the memory when geth was closed or shh.newMessageFilter() is not activated?
Whisper Protocol is not well documented related to its usage. I believe this issue will help other users who might face with similar problem.
Each sent message has time-to-live in seconds (ttl), that ...
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Whisper Protocol: How could I use already generated keyPair or symKey after geth is restarted? Key pair cannot be stored //Error: non-existent key ID
My goal is to send a message from one ethereum node to another one by using same public key of the receiver. In order to accomplish it, I have followed this guide that uses Whisper Protocol. But after ...
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Whisper Protocol: How to decode the received message on the receiver node?
My goal is to send a message from one ethereum node to another one. In order to accomplish it, I have followed this answer that uses Whisper Protocol.
In summary approach I followed from the linked ...
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web3.js: Error: The method shh_newSymKey does not exist/is not available on Web3.js
My main goal is to call web3.shh functions using RPC API , Web3.py or Web3.js. I can call web3.shh functions when I use geth attach; which is my last option to do.
I am following this answer.
geth ...
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How can I receive message by golang - whisper
In geth --shh --rpc console, for example I type
f = shh.newMessageFilter({privateKeyId: id}, function(error, messages){console.log(JSON.stringify(messages))})
to receive a posted message by ...
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How to start geth for whisper only without blockchain stuff?
I'm writing a chat app on top of Whisper; the app is supposed to manage the lifecycle of the Ethereum node.
One way to build to is to use wnode in the background & communicate with it using ...
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How do the ethereum components work together
hy
i have been reading about the ethereum project and its components, i understand that there are 3 major components (EVM, swarm, whisper)
Swarm is a peer to peer data sharing network in which files ...
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Smart Contract events
I am developing a Dapp that contains a notification between two Users.
for example :
User 1 (Student): send a transaction that contains data to be
confirmed.
User 2 (Professor): receive a ...
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When should I use Whisper or PSS over Traditional Message Channel like AWS SQS?
What are the benefits using Whisper or swarm/PSS over using a centralized service like Amazon SQS?
My use-case is: deliver information (to say to another party that they should do an action in a ...
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Sending whisper messages over testnet?
I managed to setup a private blockchain and send whisper messages between my clients. Now, i want to accomplish the very same thing over either the mainnet or one of the testnets.
But it seems that ...
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How does whisper work in Ethereum?
I am trying to build a Dapp and I need to send messages between any two users. The messages would be used to reach a sort of private agreement between them. The agreement then could be published on ...
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Exchange messages between two clients of Dapp without spending gas?
Let's say that I want to build a Dapp such that users can exchange messages between each other. I guess you can consider it a chat Dapp. Is there any way for the two users to find the "address" of ...
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Topics in messages are ignored in filters from shh console
I have setup a private network for testing Whisper. I cannot make filters based on topics to be of any use, because regardless of how I set them, all messages are received.
I already have found some ...
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Disable proof of work in Whisper
I have a private network and am looking to disable Whisper's required Proof of Work when sending a message. This issue talks about how the source prevents this, but I'm wondering if there's another ...
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Where does Whisper store encryption keys?
I've noticed that whisper persists symmetric and asymmetric keys created in the geth console by referencing their id, but where does it save these keys, and can the directory be configured? Geth's --...
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Sending messages without fees
Are there any ways to send simple messages on the Ethereum blockchain without incurring any gas fees at all for the end user?
If this can't be done with Ethereum in solidity or newly created ERC20 ...
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Using Whisper with web3.js
I have been trying to figure out how to interact with whisper using web3. I have been able to successfully send (and receive) a message using geth console, but have been unable to do the same using ...
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Whisper V6 vs Whisper V5
Could some one please
summarize the differences between V5 and V6
tell us where to find documentation - I could not find any although I understand this is in EIP 627
is it "production ready" ?
say ...
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Do nodes need to have static IP addresses to connect to a private blockchain?
A private blockchain on Ethereum:
When we want to add more than one nodes, e.g. two nodes A and B, to a private blockchain, we let node A add the other node: admin.addPeer() and node B call A. Both ...
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How much Whisper is reliable?
I'm thinking on how to implement a P2P messaging platform using Whisper (https://github.com/ethereum/wiki/wiki/Whisper), but before of starting designing a protocol on top of it and work on its ...
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Geth and whisper default
I was playing with dumpconfig and after that added --shh and dumped configuration again to see the differences but there weren't any.
My section of the Whisper config is:
[Shh]
MaxMessageSize = ...
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How to use Whisper protocol in solidity smart contract (Documentation)
I am developing a smart contract and it will need to communicate with ethereum user addresses (openly or privately). I need to make use of a encrypted messaging protocol. After some searching, I found ...
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Does Swarm architecture supports streaming video files
Though the prototypes are less in number, swarm architecture is able to upload picture files (alpha tested in LETH android app).Is Swarm presently equipped to support streaming videos or pre-recorded ...
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Looking for a working Whisper example
I was looking to develop an application using Whisper & NodeJS and I'm having trouble finding an example that works and is updated.
I've encountered this doc web3js.readthedocs.io/en/1.0/web3-shh....
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A decentralized marketplace with Swarm/Whisper and Ethereum Smart Contract
I was thinking about a workflow where we could use Swarm, Whisper and Ethereum in order to sell any kind of digital data.
I drew a sequence chart and I wanted to have some feedbacks:
Is there ...
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How whisper messages being routed in Ethereum Network?
Does the Whisper messages are broadcasted to all Ethereum nodes? or is there any internal routing, if yes how?
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Can I send a whisper (shh) message to an Ethereum address?
It seems that we can only send a message by creating new symmetric keys and key pairs ( shh.newSymKey() and shh.newKeyPair()
Then post shh.post() a message using the parameters:
symKeyId which ...
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On-chain text encryption using Whisper protocol
Could one send a 10-character encrypted message within an ERC-20 transaction using the whisper protocol ON-CHAIN?
Or could that only be achieved by running private nodes and setting up a p2p server? ...
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Alternate messaging infrastructure [closed]
How can organizations with existing messaging infrastructures integrate with Ethereum?
For example, an organization with a large investment in Solace Messaging asked us how to integrate Ethereum ...
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Guard access to digital assets
In the datamarket project
http://datamarket.at/
we would like to guard access to digital assets (data, services) which will not be stored on the Ethereum ledger. We will guard access to these ...
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