Blockchain Archives

December 29, 2019 ABAP Programs, Blockchain Barry Allen

Create Object History in SAP Blockchain

21 In this article we will learn how to create a block in Blockchain at SAP Cloud Platform. METHOD create_object_history. DATA: lo_http_client TYPE REF TO if_http_client. DATA: response TYPE string, lv_url TYPE string, lv_auth TYPE string. CONSTANTS : lv_initial_url TYPE string VALUE ‘<Your_Service>’. IF iv_object_id IS NOT INITIAL. *** Getting Token TYPES: BEGIN OF t_entry, […]

December 29, 2019 ABAP Programs, Blockchain Barry Allen

Get Proof history from the Blockchain Service

12 In this step we will call the blockchain service again using the token that we have stored in above step. And then we will receive the history of transactions from blockchain. METHOD get_proof_history. DATA: lo_http_client TYPE REF TO if_http_client. DATA: response TYPE string, lv_url TYPE string, lv_auth TYPE string, lv_auth2 TYPE string. CONSTANTS : […]

December 27, 2019 Blockchain Barry Allen

Blockchain Implementation in ABAP

25 Introduction With the introduction of Blockchain in SAP Cloud Platform, the important questions for SAP developers was its implementation in SAP ABAP. All the client information of SAP is mainly on premise based. The major amount of data is already stored in backend system and if we cannot push this data on blockchain then […]

December 10, 2019 Blockchain Barry Allen

R3 Corda Platform Introduction

20 Introduction Corda is an open source private blockchain platform, introduced by R3 that integrates the existing proven technologies such as relational database, Java Machine (JVM) in blockchain for ERP and business solutions. Corda has published a whitepaper to discuss the underline technologies; you can read the Corda: A distributed ledger Whitepaper here. How R3 […]

December 9, 2019 Blockchain Barry Allen

Quorum Introduction

6 Introduction Quorum is a private and permissioned blockchain developed on top of Go and Ethereum technology mainly for Enterprise based solution. An Ethereum is a decentralized platform which is used to run smart contracts. In this Quorum Introduction we will explore more about it. Quorum has its Whitepaper published here. Apart from Quorum Introduction, […]

November 29, 2019 Blockchain Barry Allen

Multichain Introduction

10 Introduction Multichain is off-the-shelf private blockchain platform developed primarily for institutional financial sectors. It provides privacy, openness and control to the network administrator (that can be either miner of the first “genesis” block or a predefined miners set as Admin by previous Admin). Multichain has published a whitepaper to discuss the underline technologies; you […]

November 29, 2019 Blockchain Barry Allen

Hyperledger Introduction

16 Introduction In 2015, many corporations came along and created an open source blockchain platform beneath the guardianship of Linux Foundation and named it Hyperledger. Hyperledger, since then, has evolved a lot. It’s launched multiple frameworks and tools for the same. Among them Hyperledger Fabric is that the most suited framework for Enterprise. Hyperledger provides […]

October 20, 2019 Blockchain Barry Allen

Consensus Mechanism

11 Introduction The literal meaning of consensus is “A general agreement” which means a consensus for a Blockchain is a mechanism of validating transaction before pushing it into a block, based on general agreement. The common example of agreement can be seen in bitcoin where it is required to have miner’s agreement of more than […]

July 3, 2019 Blockchain Barry Allen

Smart Contracts

20 Introduction Since the blockchain was introduced, the common question was “How Blockchain will become a revolution?”. With the introduction of Ethereum in form of Solidity platform, the concept of Smart Contracts was developed. As it sounds they are the contracts handled in a smart way. It was introduced to automate the hectic contract signing […]

July 3, 2019 Blockchain Barry Allen

Types of Blockchains

16 Introduction A Blockchain was solely created for public in form of public network but an organization data cannot be exposed to public. Thus, with evolution of blockchain, more Types of Blockchains were introduced. In this article we will explore all the types of Blockchains in detail. Types of Blockchains Blockchains classifications are primarily based upon […]

Category: Blockchain