45

Security Issues in Blockchained IoT

TABLE 3.4

Coverage and Analysis in Reviewed Research

Attack

Denial of Service

(DoS) Attack

Distributed DOS

(DDoS) attack

51%

Attack

Double-spending

Mining

Attack

Collision

Attack

Linking

Attack

Modification

Attack

Dropping

Attack

Sybil

Attack

R1

N

Y

Y

Y

N

Y

X

N

N

Y

R2

N

Y

N

N

N

N

Y

N

N

N

R3

X

N

N

N

N

N

N

N

N

N

R4

N

N

N

N

N

N

N

N

N

N

R5

N

N

N

N

N

N

N

N

N

N

R6

N

N

N

N

N

N

N

N

N

N

R7

N

N

N

N

N

N

N

N

N

Y

R8

N

N

N

N

N

N

N

N

N

N

R9

N

N

N

Y

N

N

N

N

N

N

R10

N

N

N

N

N

N

N

N

N

N

R11

Y

N

N

N

N

N

N

N

N

N

R12

N

N

N

N

N

N

N

N

N

N

R13

N

N

N

N

N

N

N

N

N

N

R14

N

N

N

N

N

N

N

N

N

N

R15

N

N

N

N

N

N

N

N

N

N

R16

N

N

N

N

N

N

N

N

N

N

R17

Y

N

Y

N

N

N

N

N

N

Y

R18

N

N

N

N

N

N

N

N

N

N

R19

Y

N

Y

N

Y

N

N

N

Y

N

R20

N

Y

Y

N

N

N

Y

Y

Y

N