THESIS
2022
1 online resource (x, 59 pages) : illustrations (some color)
Abstract
As a foundation of Web 3.0 era, blockchain is getting more attentions both in academia
and industry. However, blockchain system itself is far from meeting the requirement for
various applications to run upon it. In this thesis, we try to dig into two fundamental
aspects for building a promising blockchain:
Scalability: Scalability is the main bottleneck for large-scale use of blockchain. In
this thesis, we bring the concept of reputation in communication network and propose a
reputation based blockchain via sharding technic to achieve a near-linear scalability for
blockchain system.
Incentive: For high-throughput blockchain, the main cost is related to transaction
block propagation(i.e. network resource) other than hash power in the mining process.
To facilitate the incentive of high-...[
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As a foundation of Web 3.0 era, blockchain is getting more attentions both in academia
and industry. However, blockchain system itself is far from meeting the requirement for
various applications to run upon it. In this thesis, we try to dig into two fundamental
aspects for building a promising blockchain:
Scalability: Scalability is the main bottleneck for large-scale use of blockchain. In
this thesis, we bring the concept of reputation in communication network and propose a
reputation based blockchain via sharding technic to achieve a near-linear scalability for
blockchain system.
Incentive: For high-throughput blockchain, the main cost is related to transaction
block propagation(i.e. network resource) other than hash power in the mining process.
To facilitate the incentive of high-throughput blockchain, we design a practical incentive
scheme for block propagation in blockchain system. Our scheme can also reduce the
network overlap to save network resources.
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