Build powerful blockchain applications easily

Blackcoin.io

Dive into ObsidianCVT's open-access development portal for Blackcoin, the trailblazer in Proof-of-Stake consensus blockchains. Blackcoin.io services include: the Blackcore wallet service and Blacksight API's, based on the revered Bitcore wallet suite. Users and developers alike can already enjoy our example applications, the Blacksight explorer and PayBLK multisig web-wallet.

Ethereum Projects

Ethereum Projects - Learn more about Obsidian Cryptovault Technologies, LLC and Ethereum.

Copyright for portions of project Bitcore are held by BitPay Inc. as part of project Bitcore.
All other copyright for project obsidiancvt.com are held by Obsidian Cryptovault Technologies, LLC.
Released under the MIT license.