All problem statements
SIH26232HardwareAgriculture, FoodTech & Rural Development

Low-Cost loT Block chain Nodes for Farm-to-Fork Traceability

Ministry of Food Processing Industries (MoFPI)

Ideas submitted
30 / 500
Deadline
30 September 2026
Category
Hardware
Theme
Agriculture, FoodTech & Rural Development

Looks like it needs

Blockchain

Background

Global export markets demand strict compliance with international traceability standards to combat food fraud and track contamination outbreaks. While large enterprises can afford complex cold-chain logging systems, Small and Medium Enterprises (SMEs) are priced out. Additionally, standard data loggers often lose connectivity in remote agricultural areas, creating blind spots in the supply chain data.

Description

There is a critical need for an affordable, rugged, tamper-proof hardware device that tracks ambient environmental data during transit. The hardware must survive harsh agricultural and industrial environments, including extreme moisture, dust, and vibrations, while continuously logging metrics like temperature, humidity, and ethylene gas.

Expected Solution

A low-power, plug-and-play IoT sensor node equipped with local cryptographic storage to ensure data integrity during cellular dropouts. The device must feature energy-harvesting capabilities, such as solar or thermal, to extend battery life indefinitely.

Upon reconnecting to a network, it must automatically sync its encrypted data directly to a decentralized ledger via lightweight protocols such as MQTT, preventing any unauthorized manipulation of the cold-chain logs.

How contested this one is

as of 28 Sept
30ideas submitted+5 in 2 days

That puts it 220th of the 240 statements that have any ideas at all, out of 240 on the board. It is moving, so the field here is already forming.

Added mid-season. This statement first appeared on 6 September, after the original list went out. Teams who shortlisted early have most likely never seen it.

See what the whole field is picking →

Counted from the official portal twice a day. The portal itself only shows today.

What a jury will ask about this

  1. 01“Who actually faces this problem today?”

    What works: Naming one real person and what they do instead right now. Reading the statement back is not an answer, they already read it.

  2. 02“This already exists. Why yours?”

    What works: That existing tools are consumer products. Yours is built for the ministry, works offline, in the local language, on official data.

  3. 03“Then why has nobody solved it yet?”

    What works: The real blocker. No connectivity, no incentive, nobody owns the data. You only know this if you read the ministry's own reports.

All 18 questions, with the trap answers →

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