Cobalt

Connecting businesses and security researchers through bug bounty programs and security audits.

75
Programs
54
Bounties
75
Ackno.
0
Swags

Airbitz

Easy and secure mobile wallet

ANXBTC

The Ultimate Trading Platform For CryptoCurrencies

AwardWallet

Keeps track of your reward programs

BillGuard

People-powered antivirus for bills

Billys Billing

Small business accounting software

BitBandit.eu

Bitcoin Slot

BitCasino

First online licensed bitcoin casino

BitGo

Multi-Sig Security for Bitcoin

BitHealth

Healthcare records with bitcoin

BitMEX

The Bitcoin Mercantile Exchange

Bitoasis

Buy and Sell bitcoins in the Middle East

Bitpagos

Bringing easy electronic payments to Latin America

Bitrated

Bitcoin Trust Platform

Bitreserve

Change money. Change the world.

Bitspark

Bringing bitcoin to Asia

Bitwage

Bitcoin payroll

BitYes

An international bitcoin trading platform.

Block.io, Inc.

The easiest secure Bitcoin solutions

Blockchain.info

Bitcoin wallet and block explorer

BlockScore

Simple identity verification

BX.in.th

BX Bitcoin Exchange Thailand

Catchafire

Use your professional skills to make a difference

ChainPay

Cryptocurrency Payment Gateway

ChangeTip

A Love Button for the Internet

Circle

The way money should be

Cobalt

Connected Intelligent Security

Coin Republic

Singapore's most trusted bitcoin brokerage.

Coinage

Bitcoin exchange for the new coin age

CoinDaddy

It all starts with an asset name

Coinport

Find security bugs in our altcoin trading platform

coins.ph

Bitcoin is for everyone.

Cointrader.net

Canadian Bitcoin Exchange

Coinvoy

digital-currency payment gateway

Counterparty

A Free and Open Financial Platform on Bitcoin

Crix.io

Trading altcoins simple, fast, secure

DoSomething

Any cause, anytime, anywhere.

Eobot

Cloud mining for Bitcoin

Ezbob

Provides instant and online funding for SMEs

FastSlots

The Fast, Fun, and Fair Bitcoin Casino

Founder Bliss

Reviews your code in real-time

GreenAddress

The safer Bitcoin wallet that puts you in control

Hive Wallet

A human-friendly digital currency wallet.

ImpressPages

Drag & Drop CMS

Independent Reserve

The Bitcoin Market

Lancor Income

LocalBitcoins

Buy and sell bitcoins near you

MaiCoin

Bitcoin Exchange and Wallet Services

Mailbird

The best Email client for Windows.

ManageBGL

Revolutionizing diabetes self-management

Mercury

Decentralized cryptocurrency exchange

meXBT

Crypto Exchange of the Americas

mynxt.info

Your gateway to the Nxt ecosystem

Nexmo

Cloud communication APIs

NoPass

Say NO to Passwords

OKCoin

Chinese Bitcoin exchange

Opal Cryptocurrency

The secure, private cryptocurrency

Optimizely

Web and Mobile A/B Testing

Piwik Open Source Analytics

Liberating Web Analytics

Poloniex

US-based cryptocurrency exchange

Quadriga CX

Bitcoin and Litecoin Trading Platform

QuickBT

The Easiest Way To Buy Bitcoin Now

Rdbhost_service

Server-side SQL from the browser

Ripio

The easiest way to buy bitcoin

Sherpany

Collaboration Platform for companies and investors

Skrill

Global payment systems group

SpectroCoin

All in one solution for bitcoin

Spendbitcoins

Largest Directory of Places to Spend Bitcoins

Subledger

The double-entry accounting API

Subrosa

Encrypted messaging in the browser

The Mastercoin Foundation

Visions become reality

TimeTrex

Open Source Payroll and Time Management

VPNSox

Privacy Company (VPN Provider)

Weebly

Web creation made easy

Wordware

IT and soft skill training center