Dark Wallet BTC
One of the first Chrome-based browser extensions, allows for client-side storage of private keys.
Primary Platform
Extension
Built-in Exchange
No
Security
Multisig
Data Storage
Offline, Cold storage
Platform
Windows, Chrome
Open Source
Yes
Online Availability
Web-based, Browser extension
Offline Availability
None
Supported Coins
Dark Wallet BTC alternatives
SpectroCoin
Facilitates exchange of BTC to several financial platforms, including an EUR-based debit card.
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The original BitShares (BTS) wallet which encourages token and API development.
Daedalus
A open-source cryptocurrency wallet for Cardano (ADA)