leavesv-Hash( s)s, secretLab Task (1/3)* Implement the basic Merkle tree. (Use anyprogramming language)* Test Cases• The reason we use Merkle trees to storeblock data (ie. transactions) is thatverification is very efficient. Thisverification is called a Merkle proof.ToT• Suppose we want to prove thattransaction D, was indeed in the block,that formed the header shown in figT.TsT6Do D, D D D, DS DE D7Lab Task (2/3)* In addition to the transaction hash D;, we also need D, T(D. D,), andT;(T(D,.D;).T(D.D,)) to form the proof. The verification itself performs the followingsieps on the proof:• Hash D, and D, to produce T,(D,. D).• Hash S(A,B) and S(C.D) to produceS(S(A,B).S(C.D)• Hash T,(T,(D,D,), T(D,, D,)) andT;T(D,D,), T,(D, D,)) to produce theTroot,• Check that the root is the same as whathas been stored previously.T4TST6Do D, D DD. D, De D7Lab Task (3/3)Implement the Merkle proof functionality and to verify it.Create a report to describe what you have done and your observations withsereenshots.

Answered: Implement the basic Merkle tree. (Use…

Engineering

Computer Science

Implement the basic Merkle tree. (Use any programming language) Test Cases

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

leaves
v-Hash( s)
s, secret
Lab Task (1/3)
* Implement the basic Merkle tree. (Use any
programming language)
* Test Cases
• The reason we use Merkle trees to store
block data (ie. transactions) is that
verification is very efficient. This
verification is called a Merkle proof.
To
T
• Suppose we want to prove that
transaction D, was indeed in the block,
that formed the header shown in fig
T.
Ts
T6
Do D, D D D, DS DE D7
Lab Task (2/3)
* In addition to the transaction hash D;, we also need D, T(D. D,), and
T;(T(D,.D;).T(D.D,)) to form the proof. The verification itself performs the following
sieps on the proof:
• Hash D, and D, to produce T,(D,. D).
• Hash S(A,B) and S(C.D) to produce
S(S(A,B).S(C.D)
• Hash T,(T,(D,D,), T(D,, D,)) and
T;T(D,D,), T,(D, D,)) to produce the
T
root,
• Check that the root is the same as what
has been stored previously.
T4
TS
T6
Do D, D D
D. D, De D7
Lab Task (3/3)
Implement the Merkle proof functionality and to verify it.
Create a report to describe what you have done and your observations with
sereenshots.

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