Blockchain Consensus Together With Ubiquitous Computing: Jibe Made Inward Heaven?
Today I mused a flake on a futuristic enquiry outlook for blockchain/decentralized consensus. Here is what occurred to me: a merger of blockchain consensus alongside ubiquitous/spatial computing.
A drawback alongside electrical current blockchain/decentralized consensus piece of employment is that they require full-state-replication (of the entire chain or DAG) at each participating node. This is a big scalability bottleneck.
Replication should locomote on a necessitate to know basis. What is the signal of replicating transactions/state that is relevant for Buffalo, NY to nodes inwards Delhi, India.
Assume nosotros railroad train that. (such every bit Avalanche, hence that these tin dismiss piece of employment on lightweight portable renewable might devices.
Now on to the adjacent slice of the puzzle.
The imagery I bring of this is the biblical judgment day, where fifty-fifty the nonliving things (walls, rocks, shoes) witness against people for but about of their sins.
On-prem witnessing tin dismiss locomote useful for providing an unchangeable tape of things. (Of course of written report at that topographic point should locomote privacy protection mechanisms. Only God tin dismiss gauge me, in addition to I don't similar to bring my wall order on but about of my mortal actions.)
Of course, if it is worth recording, it is worth screwing alongside every bit well. A Byzantine adversary may desire to alter the tape to falsify a story, to render an alibi, to locomote out of a handshake contract, etc.
Initially, yous similar to continue the consensus replicated inwards a vicinity (house or block) but if at that topographic point is attack, an on-demand replication to other areas would locomote performed to strengthen consensus in addition to tolerate to a greater extent than attack.
With partial/local replication, but about other effect becomes of import every bit well:
indexing in addition to search functionality. Search is non supported sufficiently inwards decentralized systems, in addition to at that topographic point is necessitate for enquiry on providing good/fast search capability inwards this model.
What would locomote but about concrete applications?
I haven't given a concrete application here. But this type of platform (built on a convergence on ubiquitous computing in addition to decentralized consensus) may locomote useful for edifice crowdsourced sensing in addition to coordination applications inwards opened upwards adversarial environments. An illustration may locomote the Darpa blood-red balloon challenge.
What are to a greater extent than practical applications? What is something yous couldn't create alongside today's platforms? Where does the Byzantine tolerance requirement come upwards from?
Partially-replicated decentralized consensus
Here is the starting fourth dimension slice of the puzzle.A drawback alongside electrical current blockchain/decentralized consensus piece of employment is that they require full-state-replication (of the entire chain or DAG) at each participating node. This is a big scalability bottleneck.
Replication should locomote on a necessitate to know basis. What is the signal of replicating transactions/state that is relevant for Buffalo, NY to nodes inwards Delhi, India.
Assume nosotros railroad train that. (such every bit Avalanche, hence that these tin dismiss piece of employment on lightweight portable renewable might devices.
Now on to the adjacent slice of the puzzle.
Ubiquitous/spatial computing
Think virtually adjacent generation IoT. A lot of systems problems necessitate to locomote solved at that topographic point to fully realize Mark Weiser's ubiquitous computing vision, but nosotros are getting there. Let's assume nosotros bring these smart devices, in addition to fifty-fifty smart-material ubiquitously. Let's assume these devices/material tin dismiss human activity every bit a smart witness to a transaction/state.The imagery I bring of this is the biblical judgment day, where fifty-fifty the nonliving things (walls, rocks, shoes) witness against people for but about of their sins.
On-prem witnessing tin dismiss locomote useful for providing an unchangeable tape of things. (Of course of written report at that topographic point should locomote privacy protection mechanisms. Only God tin dismiss gauge me, in addition to I don't similar to bring my wall order on but about of my mortal actions.)
Of course, if it is worth recording, it is worth screwing alongside every bit well. A Byzantine adversary may desire to alter the tape to falsify a story, to render an alibi, to locomote out of a handshake contract, etc.
Initially, yous similar to continue the consensus replicated inwards a vicinity (house or block) but if at that topographic point is attack, an on-demand replication to other areas would locomote performed to strengthen consensus in addition to tolerate to a greater extent than attack.
With partial/local replication, but about other effect becomes of import every bit well:
indexing in addition to search functionality. Search is non supported sufficiently inwards decentralized systems, in addition to at that topographic point is necessitate for enquiry on providing good/fast search capability inwards this model.
MAD questions
I told yous this is a futuristic enquiry agenda. If yous intend this is interesting, if yous bring things to add, driblet a comment, or e-mail me.What would locomote but about concrete applications?
I haven't given a concrete application here. But this type of platform (built on a convergence on ubiquitous computing in addition to decentralized consensus) may locomote useful for edifice crowdsourced sensing in addition to coordination applications inwards opened upwards adversarial environments. An illustration may locomote the Darpa blood-red balloon challenge.
What are to a greater extent than practical applications? What is something yous couldn't create alongside today's platforms? Where does the Byzantine tolerance requirement come upwards from?
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