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etherwallet's Introduction

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MyEtherWallet is a doorway to the Ethereum blockchain, allowing users to manage their own funds without a centralized platform. - Stephen, #MEWForce

"MyEtherWallet Logo

Philosophy

  • Empower the people: Give people the ability to interact with the Ethereum blockchain easily, without having to run a full node.
  • Make it easy & free: Everyone should be able to create a wallet and send Ether & Tokens without additional cost.
  • People are the Priority: People are the most important & their experience trumps all else. If monetization worsens the experience, we don't do it. (e.g. ads)
  • A learning experience, too: We want to educate about Ethereum, security, privacy, the importance of controlling your own keys, how the blockchain works, and how Ethereum and blockchain technologies enable a better world.
  • If it can be hacked, it will be hacked: Never save, store, or transmit secret info, like passwords or keys.
  • Offline / Client-Side: User should be able to run locally and offline without issue.
  • Private: No tracking!!! No emails. No ads. No demographics. We don't even know how many wallets have been generated, let alone who / what / where you are.
  • Open source & auditable

MEW Around the Web

Bug / Feature Request

If you find a bug, or want a new feature added, please submit it on the Github Issues

Getting started

  1. Open terminal
  2. Clone the repo: git clone [email protected]:MyEtherWallet/MyEtherWallet.git
  3. go into repo: cd MyEtherWallet
  4. run git checkout develop
  5. run npm ci to install node packages.
  6. run npm update and update packages indicated by the script or add the packages to package-test.js
  7. run npm run build:nohash and open the index.html file within the /dist folder. You can also build the offline version by running npm run build:offline and opening the index.html file from the /dist folder with your preferred browser

To start the local dev environment, follow everything above and skip step 7

  1. start npm run dev
  2. App should be running in https://localhost:8080

EACCESS issue can be resolved by running: sudo chown -R $(whoami) ~/.npm

For other issues, try the steps shown here: #1182 (comment) by @tomwalton78

For step 7, you may run into a memory heap problem, rerun the script using NODE_OPTIONS=--max-old-space-size=8192 npm run build:nohash or NODE_OPTIONS=--max-old-space-size=8192 npm run build:offline P.S if you want Intercom to be enabled locally, create a .env file and add INTERCOM_ID={yourIntercomKey} otherwise Intercom will be disabled.

Integrations

Hardware Wallets

Prior to submitting a request to integrate a hardware wallet, please review hardware wallet requirements that followed recent updates on MyEtherWallet and Ethereum protocol.

A Hardware wallet must meet the following minimum requirements:

  1. Message signing
  2. Data signing
  3. Must be able to sign other ethereum-based chains, specifically, Matic and BSC.
  4. EIP1559 signing

Reach out to us at [email protected], so we can determine if we will be able to integrate your hardware wallet.

DApps

Please fill out the form here. We will reach out to you as soon as we can.

etherwallet's People

Contributors

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etherwallet's Issues

Can decrypt private key with multiple passwords?

While trying out Ether Wallet, I accidentally ran into a strange issue. At some point it created this encrypted private key:

U2FsdGVkX1+1uLo9NeVrIFUlCiMRkAwUMfIzBA54okCUhtUirLz+W3A48c9PR61WhKv2H5GfsEctki+RPoDfqjS5lKQqFazKOqDpULTrkLgVHv5xfP6g+gQB8XvBAdpU

I used asdfasfd as password (actually meant to type 'asdf' twice, but made a typo).

However in the 'Send Transaction' page, when pasting that private key, and entering asdfasdf (note: spelled differently, swapped the d and f at the end) it says 'Wallet successfully decrypted' and gives me a different address.
And accidentally I hit another false positive: decrypting that same private key with asdfasdfd (note the extra d at the end) it again says Wallet successfully decrypted' and gives me yet another address. And asdfasdfda works too! And I guess there's infinitely more.

It still does seem to decrypt the key to the correct address when using the correct password, but I'd say it should be infeasible at best to enter a wrong password and still decrypt it, right?

Account balance shows "Loading"

Hi,
I generated a wallet address and sent 100 finney to it.

But, the account balance shows "Loading" after decrypting. I tried the same with my presale wallet and the account balance shows "Loading" as well.

screen shot 2015-12-17 at 11 42 59 am

screen shot 2015-12-17 at 11 43 20 am

screen shot 2015-12-17 at 12 21 58 pm

Thanks

add usd/eur values

add approximate usd/euro value next to balance and transaction amount

Unable to conect to http: ....

Hello i put my wallet key and pass and my etherwallet say accepted but then appear unable to conect to... what happen?

Default RPC server

Anyway we can get an override option to specify our own rcp server to send the signed transations?

password wrong

I have seen other posts with this subject. The problem is I am a layman. I have no knowledge of using the keyboard for anything else than writing and calculating. But the whole matter of ETH , DAO BTC interests me a lot, but believe me I struggle to keep up with this mind boggling new stuff. But I just like it.
Anyway, Is there anyone who can explain in layman terms how to solve this problem? Perhaps see it as creating something (for the first time I believe) in this new field of technology, that works for dummies.
Very sorry about it, but my age is perhaps also not in favour 63.
I created an Ethereum Wallet version 0.7.4 license GPL 3.0 via Gitbub.com/ethereum/mist. My computer is an Acer and it runs on windows 10. My first eth sits in the main account and can't leave because of the password problem. So I created a second one. The first bit of ETH left without problems. Now a few days later I wanted to make another transfer but now my second account gives me the same : wrong password.

npm install error

npm ERR! fetch failed http://registry.cnpmjs.org/esprima-fb/download/esprima-fb-3001.1.0-dev-harmony-fb.tgz

[Feature request] Allow sending to more than one address/Allow specifying "change" address

for example, I have 100 ether at address A and I would like to send 10 to address B and 20 to address C.

So I need to be able to add addresses to send to, and everything remaining in the address (70 minus gas), if not explicitly specified, should return to address A.

If the change address is specified, then everything remaining should be moved to the change address.

After transaction the amount of ETH visible on the screen should decrease?

I'm totally new to the scene, I decided to participate in the DAO hype and I would like to report some issues.

1 minute screencast: https://youtu.be/EhZWClglYIs

So I'm logged in and I confirm the transaction. The account balance in the upper left corner remains the same. It was confusing... Everywhere (bank, PayPal, exchanges, other BTC wallets) after confirming transaction the balance should go down.

Luckily I was able to verify it: https://www.etherchain.org/tx/0x77562db0ca3c757d9d64c9eba7100756f5cd95d2cad30c6e3bfeb3c1539a1201

And check if DAO tokens were created: https://daohub.org/creation.html

image


Second issue related to that... Last night I did exactly the same process, transferring ETH to DAO address and... Nothing happened, only my balance decreased from 9.50 into 9.494118 - I have no idea why, as if some network fees were paid but no transfer was initiated...

(that was last night, now we have 08:14am UK time and basically I'm a little bit confused / unsure so reporting the stuff so you can investigate)

[Feature request] add data field to send transaction

This wallet is great, but it would be even better if you allowed users to specify an optional 'data' field when they send a transaction, it should have the same effect as the data field you specify in eth.sendTransaction() in geth.

jsonfiles

Hi Dear Support,

I need help for my wallet treatment please. I've mistaked. I losed my json files. Can I get them for my generated ETHER adress? While on any places registered with it yet and it seems hard to change it.
When I can get the files, here is the adress : 0x9fd5f2b34dfdc1e81d55eb76ac0d82d5174f9f30
my mailadress: [email protected]

Thanks in advance:
Paul

balans

The "generate transaction" button is unresponsive!
image

DAO tokens

I need help My nerves are blank. I see my DAO tokens at Block Chain explorer. I use Ethereum Wallet 0.7.1. Contract created. Observed but I see no Dao.
So I now have a DAO tokens created .How do I get in Taos "myetherwallet"?

Does not publish the tx

I am trying to use your wallet for cold storage. All worked fine until I try to publish signed transaction. I transferred the signed transaction to my on-line computer, paste it into the "Step 3: Send/Publish Transaction" field. Clicked "Send Transaction". I can see that the page decoded the transaction and built QR code. At the bottom, I can see Transaction Submitted. TX ID: SOMEHEXSTRING.

But the transaction was never published. I cannot see it in the blockchain.

What is wrong?

Do you use my local geth to publish it? Or you suppose to publish it via your website?

Please help.
Thank you

How is it possible to generate a key pair client side and guarantee uniqueness

General question about this tool:

I ran the tool with my internet off to ensure that it is a completely client side tool. It definitely generated the key pairs.

I am wondering how it is possible to generate a key pair while disconnected from the internet. Wouldn't one have to validate that there is no other existing ethereum account with the same public address? Is the tool relying on how unlikely that is (given the number of characters in the public address)?

PW to complex?

Hi, I have a password like this:

@Z-7iXe1_>;Erf0-L9+QvrZGQ5tlU!Q)}C=QUH8{{U9nY}Yh

I cannot open my json file with your tool. But with

https://www.kraken.com/ether

this kind of pw works on the same wallet.

any idea?

thanks

suggest specifying exact tx fee to be used

Instead of:
"We use standard rates for all gas + a itty-bitty bit more to ensure it gets mined quickly"
I suggest:
"We will use the mininum gas of 0.00042 ETH + 5% = .000441 ETH to ensure it gets mined quickly"

Hard fork and local wallet

Hi,

Sorry if this has been answered .. I did look elsewhere.

Is my myetherwallet wallet safe as is, on my pc (and backed-up), with the hard fork coming?
Should I do anything to protect it?

Thanks,
Rich.

Encrypted private key not encrypted?

After generating a wallet on https://www.myetherwallet.com/#generate-wallet, there is an option to "Download JSON file - Geth/Mist Format (encrypted)". The JSON file that is downloaded contains the key "Crypto", which contains the key "cyphertext". The value is the unencrypted private key for the wallet. I was expecting the value to be the encrypted private key for the wallet.

add validation

  1. remove space, new lines and CR when pasting private keys
  2. only show decrypt when the character length is correct
  3. add notification when pasted private keys doesnt have the correct length

Import/sweep from ETH paper wallet. Please tell how without blochain on my computer.

Import/sweep from ETH paper wallet
with private key but without blockchain on my computer.

What is the procedure to do it with Myehterwallet or anyother way?

Even with my time correct I am unable to download the blockchain to use in Ethereum-Wallet. Three weeks now and little progress.

Need to put paper wallet back into play by sweeping/importing to something that can then send to the exchange.
Thank you for any help you can offer.

Custom tokens

Please add the possibility to check the balance and send any amount of custom tokens.

the money did not come

Good day, I transferred the money to the purse which sgeniriroval on your site, but money is not credited to him, tell me what is the reason, or they will soon be on the balance sheet?

Transaction Error

Trying to send some ETH from my account to another with ERROR MASSAGE :"was an error: no contract code at given address".
Tried different addresses even the ETH donation address.
Any ideas ?

Watch-Only Address

Possible to add a watch-only address with public key but no private key stored?

Encryption key recovery plan

Is there any documentation about how to encrypt/decrypt the private key on our own? I'm considering the case where I have stored the encrypted private key (and have memorized the password) and myetherwallet disappears for some reason. How would I recover my private key in that case?

Great wallet, btw, love the simplicity and ease-of-use. 👍

Is there a way to sign `myetherwallet.com` code?

It'd be nice to verify that myetherwallet.com is running the code that's publicly available on github.

Not implying there's anything untrustworthy about the author, just proposing this given the spirit of the trustlessness of cryptocurrencies and Ether.

Send tx offline: Qrcode of signed tx

Hello,

We are using myetherwallet offline, in order to create wallet, and send offline tx. Works great thx guys!

Step 3: Send / Publish Transaction (Online Computer):

Do you plan to implement a qrcode of the signed tx, in order to easily get it out of an airgap pc?

Step 2: Generate Transaction (Offline Computer)

Same with entering a public address for payment, any way to avoid mistake and be able to scan a qrcode?
And a way to not mess up with so many digits in the gasprice, maybe some dot/coma, or a conversion in different ether units.

I understand I can do that with usb stick. Or do you recommend any other tools?

Thank you for your help!
Good week!
Greg.

balance

Thank you very much for your answers !!! I solved his problem!

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