BLOCKO

COINSTACK

COINSTACK is a versatile blockchain platform, integrating authentication, security, indexing,

smart contracts, and development tools. It is a GS-certified development platform

based on the Bitcoin protocol and EVM, tailored for enterprise environments.

COINSTACK is a versatile blockchain platform, integrating authentication, security, indexing, smart contracts, and development tools. It is a GS-certified development platform based on the Bitcoin protocol and EVM, tailored for enterprise environments.

BLOCKO’s COINSTACK platform ensures stable operation across diverse environments, from small private blockchains to large-scale node configurations. It supports applications such as user authentication, document verification, and points management.

With SDKs for business application development, it also supports both Bitcoin and Ethereum-based smart contracts, enabling a fully Permissioned model.

BLOCKO’s COINSTACK platform ensures stable operation across diverse environments, from small private blockchains to large-scale node configurations. It supports applications such as user authentication, document verification, and points management.

With SDKs for business application development, it also supports both Bitcoin and Ethereum-based smart contracts, enabling a fully Permissioned model.

BLOCKO’s COINSTACK platform ensures stable operation across diverse environments, from small private blockchains to large-scale node configurations. It supports applications such as user authentication, document verification, and points management.

With SDKs for business application development, it also supports both Bitcoin and Ethereum-based smart contracts, enabling a fully Permissioned model.

COINSTACK Features

Storage

Metadata and logs are stored on the blockchain, ensuring data integrity through master node diversification.

Optimized file nodes and real-time blockchain synchronization provide a stable data management environment.

Metadata and logs are stored on the blockchain, ensuring data integrity through master node diversification.

Optimized file nodes and real-time blockchain synchronization provide a stable data management environment.

Identity

The blockchain-based authentication service enables certificate management (issuance, registration, revocation, and querying) while strengthening tamper-proofing and non-repudiation.

It integrates multiple interfaces, including PIN and biometric authentication, to enhance user convenience.

The blockchain-based authentication service enables certificate management (issuance, registration, revocation, and querying) while strengthening tamper-proofing and non-repudiation.

It integrates multiple interfaces, including PIN and biometric authentication, to enhance user convenience.

Stamping

The document’s hash is stored on the blockchain to verify its authenticity and originality. It supports SDK and TSA Gateway, with Java/HTML5-based PDF timestamping, viewer, and verification modules.

Available as Android Native SDK and Cordova Plugin, ensuring quick implementation and 100% TSA request validation.