Life & fun · alternatives · 2026
24 alternatives to Hackchain – Continuous Bitcoin-Inspired CTF Competition
Hackchain is a continuous capture-the-flag competition platform inspired by Bitcoin's mechanisms. Launched in 2016, it combines cybersecurity challenges with blockchain-like concepts, allowing participants to compete… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hackchain – Continuous Bitcoin-Inspired CTF Competition launched in 2016; newer entries below may have overtaken it.
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Blockchain Demo▲862Visual demonstration of blockchain technology
2017 · blockchaindemo.io · its alternatives →
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Horizon 1.0▲312Realtime, open-source backend for JavaScript apps
2016 · sequence.xyz · its alternatives →
- 3AC
2018 · cryptonewsagency.com · its alternatives →
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Gain insights into blockchain hacks
2024 · solidityscan.com · its alternatives →
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The Quantcast Platform simplifies digital advertising by connecting brands to their audiences using real-time data from over 100M destinations.
2013 · quantcast.com · its alternatives →
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- 8HN
2017 · crypto.study · its alternatives →
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Coingraph is a real-time graph for cryptocurrencies that fetches real-time cryptocurrency prices, saves the data offline in a JSON file at regular intervals, and displays it through a minimalistic graph on a web interface. - derogab/coingraph
2017 · github.com · its alternatives →
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DOOM® on the blockchain powered by Mintplex Labs
2023 · its alternatives →
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2015 · github.com · its alternatives →
- 14HW
2014 · hackerbracket.com · its alternatives →
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Visual demonstration of blockchain technology
2018 · blockchaindemo.io · its alternatives →
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HackenProof▲74A crowd-sourced cyber security testing platform
2019 · hackenproof.com · its alternatives →
- 17
A free, fun platform to learn about cryptography through solving challenges and cracking insecure code. Can you reach the top of the leaderboard?
2020 · cryptohack.org · its alternatives →
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A cryptoeconomic network is a network where
2019 · solmaz.io · its alternatives →
- 19CI
Abstract. Token-funded bounties to incentivize competition-style participation in blockchain development projects would result in wider and better allocation of investment, and allow investors to diversify exposure across a field of potentially successful projects. Overall this would increase the rate of progress within development of the blockchain space. We propose a centralised platform for the administration of token-funded bounty driven development projects whereby experts allocate pools of invested capital according to the technical merits of development projects, and investors are…
2017 · its alternatives →
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BlockETF▲11The on-chain ETF protocol by Keegan Soluno Lab
Oct 2025 · block-etf.com · its alternatives →
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The world's largest blockchain event, free for ProductHunt
2018 · hacksummit.org · its alternatives →
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An open-source Bitcoin mempool visualizer and blockchain explorer.
2021 · bits.monospace.live · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →