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๐Ÿ”ฅ๐Ÿ‘›Burner Wallet to move crypto quickly in a web browser. Sweep to cold storage when you get home. ๐Ÿ ๐Ÿ‘จ๐Ÿปโ€๐Ÿš’
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README.md

๐Ÿ”ฅ The Burner Wallet is a quick web wallet used to move small amounts of crypto quickly. On page load an Ethereum keypair is automatically generated and used to sign transactions with an incredibly simple interface. Sending funds is as easy as a QR code scan.

๐Ÿ’ต Burners are analogous to cash: quick and easy but less secure. You wouldn't stuff thousands of dollars in your pocket on the way out the door at night, don't trust a seed phrase in localstorage with more than you are willing to lose.

๐Ÿ  Don't forget to sweep funds to colder storage when you get home at night and burn your ephemeral keys!

๐Ÿ’ธ Press the [Request] button to instantly create a popup point-of-sale system and have a QR code to display in the window of your shop. Patrons can send you funds with a simple scan in seconds.

๐Ÿฆ Press the [Exchange] button to move ETH or DAI that you sent to your burner into xDai.

๐Ÿ”— Press the [Link] button to send value in a link over chat or QR scan in person. We use a decentralized meta transaction relay system so the receiving party doesn't need to have a wallet or gas to claim.

๐Ÿ—๏ธ If you would like more permanence, press the [Advanced] button and use a short pass phrase to seed a keypair.

๐Ÿ’ฌ Did you know there is also native, burner-to-burner encrypted chat?

๐ŸŒฎ The Burner Wallet was used at ETHDenver by participants to purchase 4405 meals, we off-ramped $38,432.56 in DAI to the food trucks, and the total cost of transactions on xDai was $0.20!

๐ŸŽญ We held a number of smaller events we called a Cypherpunk Speakeasy to demonstrate the tech and learn how to improve our user experience.

๐Ÿป If you are interested in hosting a Burner Wallet event, check out Host to host a Burner Wallet event.

๐ŸŽซ Using paper wallets, ether.cards, or solidcoins, users can be instantly onboarded into a wallet and have tokens or localcoins to purchase goods or services.

๐Ÿค‘ We are finding that the Burner is becoming more of an instant onboarding platform for apps. I built Emojicoin.Exchange in an afternoon and launched it to a room of students. They could immediately start interacting with a smart contract without any app download or seed phrase. We also played this game live with Crypto Twitter and again at ETHNewYork.

๐Ÿค” At Ethereal we did the usual food truck tokens, but participants could also bet on prediction markets while they waited in line for food.

๐Ÿ”ง If you are interested in building a Dapp or game on the Burner Wallet, a great place to start is exploring Burner Module Development.

๐Ÿ” A great example of a new and exciting module is the Gnosis Safe in the Burner Wallet.

๐Ÿง‘โ€๐Ÿคโ€๐Ÿง‘ The Burner Wallet Collective is forming around fundamental development on this repo toward a shared mission of building a cleaner more extensible burner wallet. Join our telegram and tackle some issues to earn a bounty reward!

โœ… All projects should have a 'burner' version of their product. Take simple fundamentals from your app and put them in an easy to access web version before the barriers to entry. Use this to educate your users about your product and incentivized them to take the next step and download your app.

๐Ÿ—บ The Burner Wallet all started while exploring the intersection of smooth UX and Frontier Markets. The theory is that mass adoption will start where decentralization in necessary (emerging economies).

โœŠ You can support our efforts by contributing to the Burner Wallet Gitcoin Grant or sending mainnet funds to burnerwallet.eth

๐Ÿ™ Thanks! - Austin Griffith ( @austingriffith / austin@concurrence.io )

๐Ÿ› ๏ธ If you are interested in contributing development to the Burner Wallet, read on...

Contributing

assuming you have nodejs and git already installed...

you'll need ganache installed and running

npm install -g ganache-cli
ganache-cli

clone the burner wallet repo

git clone https://github.com/austintgriffith/burner-wallet.git
cd burner-wallet

initialize burner:

npx clevis init

(You'll need to hit enter a few times to specify some config directories.)

install burner:

npm i

link clevis

alias clevis='./node_modules/clevis/bin.js'

compile, deploy, test, and inject all contracts in the frontend:

clevis test full

start the app:

npm run start-local

OR start the app on the xDai chain:

npm start

Meta Transaction Relay (optional, not needed for regular dev)

in a new terminal start the decentralized metatx relayer from Tabookey:

./startLocalRelay.sh

then deploy and test

clevis test withrelay

Older Content and Videos:

burnerwalletvideosplash

WTF is Clevis? (It's like truffle and drizzle I think.)

Clevis is used to compile, deploy, and test the smart contracts. It is mainly for orchestration, but it also injects all the contracts into the Dapparatus (frontend).

clevis docs:

Testing locally

Take a look at tests/clevis.js, the metamask() function in particular, to give your MetaMask accounts some ETH when you run the full test.

Original Video

burnerwalletscreencast

Here are two phones exchanging value in a matter of seconds using burners:

burnerwalletdemo

One mobile phone can send DAI to another in 5 seconds with a simple QR code scan without any wallet download, this works on web browsers. Users can even send value through messaging services like WhatsApp with a simple link!

The Burner Wallet runs on the xDai sidechain from POA. Since it is in DAI, a dApp can simply refer to amounts in USD. Plus, block times take 5 seconds and gas costs are virtually abstracted because they are so cheap and paid in DAI. Finally, the bridge between xDai and DAI/ETH is as simple as sending tokens to a specific address.

A burner wallet is automatically generated upon visiting https://xdai.io and your private key is stored in a cookie so it will be there when you come back. However, you should sweep any value you hold to a cold wallet regularly and burn your ephemeral private key. A burner wallet is analogous to cash; you won't carry too much because it can be lost but it's astonishingly easy to exchange.

This can also be very handy in everyday use even for the crypto-initiated. If you are share a Lyft or a pizza with a friend and want to split the cost, just shoot their QR code with your camera and it will open up a new burner wallet to exchange value with them. Just don't forget to sweep to cold storage and burn your key when you get home!

Here is a follow up video to show how to go from fiat to DAI to xDai and back: onrampscreencast


Docker Dev Version

You will want to fork this repo and then clone it down. Since I own the repo I'll just clone it:

cd ~;git clone https://github.com/austintgriffith/burner-wallet.git

Then, fire up a Docker container with your environment all prepared for you:

docker run -ti --rm --name clevis -p 3000:3000 -p 8545:8545 -p 18462:18462 -v ~/burner-wallet:/dapp austingriffith/clevis:latest

Note: You will be prompted for directories to store things, just use the defaults (hit enter): image

This will take a while. Eventually it will stand up React, Ganache, and Clevis. (Note: make sure you don't have anything running on port 3000 or 8545 already)

If you visit http://localhost:3000 you will see an initial error that React is missing the injected contracts. To compile, deploy, and inject those contract, run:

๐Ÿ—œ๏ธ Clevis:/dapp ๐Ÿ—œ๏ธ clevis test full

Don't forget to point your MetaMask at the local RPC endpoint (http://localhost:8545): image

You can view and edit the code with your IDE of choice within the terminal (not from inside Docker container):

atom ~/burner-wallet

To bring up the relayer, you will want to set your http endpoint:

๐Ÿ—œ๏ธ Clevis:/dapp ๐Ÿ—œ๏ธ echo 'http://0.0.0.0:8545' > relayhttpprovider.env
๐Ÿ—œ๏ธ Clevis:/dapp ๐Ÿ—œ๏ธ node xdairelay.js

To follow your React logs you run:

tail -f react.log

To follow your ganache/geth logs:

tail -f geth.log

If you would like to give your intial account some eth to start out:

๐Ÿ—œ๏ธ Clevis:/dapp ๐Ÿ—œ๏ธ clevis send 5 0 ***YOUR_ETH_ADDRESS***

Or better yet, edit the tests/clevis.js to send you xDai every time you run the test suite: image

Then run:

clevis test full

Your frontend should automatically reload and your account should have xDai: image


Troubleshooting

If you receive this error:

../../nan/nan.h:104:40: note: expanded from macro 'NAN_DEPRECATED'
# define NAN_DEPRECATED __attribute__((deprecated))
                                       ^
8 warnings and 7 errors generated.
make: *** [Release/obj.target/scrypt/src/node-boilerplate/scrypt_params_async.o] Error 1
gyp ERR! build error 

Try upgrading/downgrading your version of Node to 10.16.0

Older Contributing Content

Are you a developer or designer that would like to help build the next iteration of the ๐Ÿ”ฅ๐Ÿ‘›Burner Wallet๐Ÿ‘›๐Ÿ”ฅ? Here is a short intro video to explain how to get started:

onrampscreencast

To learn more about Clevis and Dapparatus check out some of the following articles:

https://github.com/austintgriffith/clevis https://github.com/austintgriffith/dapparatus https://medium.com/@austin_48503/buidlguidl-0x0-clevis-dapparatus-533936a8236a https://medium.com/@austin_48503/buidlguidl-0x1-guidlcoin-3be30c6ac76f https://medium.com/@austin_48503/%EF%B8%8Fclevis-blockchain-orchestration-682d2396aeef

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