Ethereum Offline Wallet - Metamask ETH Message Sign

Bitcoin. Be your own bank

BA.net Bitcoin Offline Wallet

Test with small amounts, this software is provided with no warranty.
Nothing is sent to our server, all code is run locally in your browser.
Open source MIT code can be downloaded and run in an air-gapped computer.

Start by making a New Transaction

Offline Wallet Based on code from ba.net, outcast3k, api explorer.bitcoin.com
iphone@ba.net 1BEz7cUYfis4NkZ35zLtfp12iaFRf4EoFm

Group Transactions (BIP 174) new

GitHub

Buy BTC Vault on the Apple MacStore

Open Wallet browser based bitcoin wallet

Use the form below to open a wallet and begin using this service.

Notice: Different email address and password combination will open different wallets, be careful when entering your details as lost accounts can not be recovered!

Advanced Options

New Address create a new address

Any keys used you will need to manually store safely as they will be needed later to redeem the bitcoins.

Address (Share)

Public key (Share) Private key (WIF key)

Address Options

You can use the advanced options below to generate different kind of keys and addresses.

Compress (recommended)

Custom Seed or Brain Wallet

Encrypt Private Key with AES-256 Password

New SegWit Address Smaller & Faster Transactions

Any keys used you will need to manually store safely as they will be needed later to redeem the bitcoins.

SegWit Address (Share)

RedeemScript Public key Private key (WIF key)

Address Options

You can use the advanced options below to generate different kind of keys and addresses.

Enable Bech32?

Custom Seed or Brain Wallet

New Multisig Address Secure multisig address

Public keys can be generated in your browser or from your bitcoin client.

Enter the public keys of all the participants, to create a multi signature address. Maximum of 15 allowed. Compressed and uncompressed public keys are accepted.

Need a Mediator?

Enter the amount of signatures required to release the coins

New Time Locked Address Coins can be released only after a certain date

Use OP_CHECKLOCKTIMEVERIFY (OP_HODL) to create a time locked address where the funds are unspendable until a set date and time has passed.

Public keys can be generated in your browser or from your bitcoin client.

Enter the public key that will be able to unlock the funds after the a certain date.

Enter the date and time or blockheight required to release the coins:

New HD Address making bip32 even easier

Use the form below to generate a master hierarchical deterministic address.

xPub Address

xPrv Address

Address Options

You can use the advanced options below to generate different kinds of master addresses.

Custom Seed or Brain Wallet

Transaction Create a new transaction

Use this page to create a raw transaction

BTC Input Address:

Outputs (0.00000000)
Inputs (0.00000000)

Enter the address and amount you wish to make a payment to.

Address

Amount

Enter the details of inputs you wish to spend.

Transaction ID:

Script

Amount

Transaction Fee

Bitcoin Fee Calculator

This page will give you a guide on the lowest fee to use to get your transaction included within the next few blocks. It works by predicting the size of a transaction and comparing it to another transaction in a recent block to determine an appropriate fee.

Recommended Fee: 0.00000000 BTC
for a transaction of 0 bytes

? Sat/Byte

0
Inputs

0 Bytes

Regular Compressed 1 148 bytes *estimate

SegWit 0 0 bytes *estimate

MultiSig 0 0 bytes *estimate

Hodl Time Locked 0 0 bytes *estimate

Unknown 0 0 bytes *estimate

0
Outputs

0 Bytes

Regular p2pkh (1...) 2 68 bytes *estimate

Regular p2sh (3...) 0 0 bytes *estimate

Chargable Transaction Size: 0 bytes

Blockchain Data

This is based on us comparing your transaction against a very recent transaction found in a very recent block

Block Height: ?

Block #: ?

Block Time: ?

Transaction ID: ?

Transaction Size: 0 bytes

Transaction Fee: 0.00000000

Satoshi per Byte: 0

Based on your data and this recently mined transaction we recommend a fee of 0.00000000 BTC to get it into the next few blocks

Advanced Options & Raw Transaction

Verify transactions and other scripts

Enter the raw transaction, redeem script, pubkey, hd address or wif key to convert it into a readable format that can be verified manually.

Transaction Script

The above script has been decoded

Version:

Transaction Size:

Lock time:

SegWit: True

RBF: This is a replace by fee transaction!

Inputs

Txid	N	Script	Signed?	MultiSig?

Outputs

Address	Amount	Script

HD Address

The key has been decoded

Type

Chain Code

Key

Version

Parent FingerPrint

Depth

Index

Key Derivation

The path of key derivation

Path

Index (Start)

Index (End)

Keys

Keys derived from the hd address provided

Index	Address	Private Key (WIF)	Extended xPub	Extended xPrv

Sign Transaction once a transaction has been verified

Once you have verified a transaction you can sign and then broadcast it into the network.

Private key

Advanced Options

Broadcast Transaction into the bitcoin network

Enter your hex encoded bitcoin transaction

Development Javascript framework, API and more

This section is currently under development and is subject to change.

Buy Crypto With a Credit Card

Buy Crypto with CC

Embedded Sideshift.ai Exchange

Fast Crypto Swaps, Free of Custody
BCH, BTC, ETH, USDT Stablecoins, DeFi Tokens

View Swap History

Buy Crypto With a Credit Card

Buy Crypto

What Credit Card can I use ?

Your credit card must comply with the requirements of ChangeNow and purchase provider Simplex: the card must be issued by VISA or MasterCard.

Can I use a pre-paid credit card ?

Yes, you can. There are several requirements from our fiat purchase provider, Simplex: your pre-paid card must be eligible for international transactions; it must be enrolled to the 3DSecure program; your pre-paid card issuer must allow cryptocurrency-related transactions.

Thanks to our contributors!
fifikobayashi, evaletolab, outkast2k, changenow, sideshift
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