Work · alternatives · 2026

24 alternatives to Proof-of-work difficulty explained

Blockchain based cryptocurrency proof-of-concept built with Elixir. Feedback welcome - coincoin/apps/blockchain/docs/difficulty.md at master · robinmonjo/coincoin

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Proof-of-work difficulty explained launched in 2017; newer entries below may have overtaken it.

1
Coincoin – Blockchain based cryptocurrency proof-of-concept in Elixir▲6
Blockchain based cryptocurrency proof-of-concept built with Elixir. Feedback welcome - robinmonjo/coincoin
2017 · github.com · its alternatives →
2
Blockchain Demo▲862
Visual demonstration of blockchain technology
2017 · blockchaindemo.io · its alternatives →
3
An educational blockchain implementation in Python▲412
Various ipython notebooks. Contribute to julienr/ipynb_playground development by creating an account on GitHub.
2017 · github.com · its alternatives →
4
Very basic blockchain-free cryptocurrency PoC in Python▲171
Very basic blockchain-free cryptocurrency PoC in Python - spipm/crackcoin
2017 · github.com · its alternatives →
5
Coin Demo▲369
Visual demonstration of how bitcoin transactions work
2017 · coindemo.io · its alternatives →
6
Bitproof▲113
True certification in the bitcoin blockchain
2015 · its alternatives →
7
ChainClarity▲301
Grasp new crypto in minutes with AI-powered explanations
2024 · chainclarity.io · its alternatives →
8
Alchemy▲187
Blockchain development made easy
2020 · alchemy.com · its alternatives →
9
WordLines – A zero-knowledge proof-based blockchain puzzle game▲83
Mobile ZK Puzzle Game with NFT rewards. Contribute to nalinbhardwaj/wordlines development by creating an account on GitHub.
2022 · github.com · its alternatives →
10
Carbon▲86
Buy Cryptocurrency Instantly using Credit/Debit
2019 · its alternatives →
11
Cryptohire▲187
Hire blockchain developers, pay them in crypto
2018 · cryptohire.io · its alternatives →
12IB
I built a website that lets you freelance for bitcoins▲102
2012 · btcworkers.com · its alternatives →
13
My experimental take on a decentralized ledger▲48
2015 · github.com · its alternatives →
14
Proof of Existence▲6
Have a document certified in the Bitcoin blockchain
2015 · proofofexistence.com · its alternatives →
15
BStreet▲133
Every cryptocurrency explained for beginners 🤑
2018 · bstreet.io · its alternatives →
16
Blockchain Demo▲57
Visual demonstration of blockchain technology
2018 · blockchaindemo.io · its alternatives →
17
Dumbest AI + Blockchain Project in 100 lines▲52
the purest AI + Blockchian project. Contribute to theDumbAssCoin/DUMBASS development by creating an account on GitHub.
2019 · github.com · its alternatives →
18
I built a puzzle / programming challenge with a 0.125 BTC prize▲48
Fill out and generate PDFs with a simple API request. Design templates in our drag-and-drop editor, POST your JSON data, and download a finished PDF in seconds.
2018 · formapi.io · its alternatives →
19
a16z Podcast: Blockchain vs/and Bitcoin▲57
The difference between Bitcoin & Blockchain explained.
2015 · podcasts.apple.com · its alternatives →
20
Assembly Coins▲79
Create your own Cryptocurrency on the Bitcoin blockchain
2014 · its alternatives →
21
Bit v0.5.0 – Bitcoin made easy, now with SegWit support▲63
Bitcoin made easy. Contribute to ofek/bit development by creating an account on GitHub.
2019 · github.com · its alternatives →
22
“Discover the secrets of blockchain▲10
blockchain: your gateway to the world of crypto
2025 · infodigitalp1.gumroad.com · its alternatives →
23
Stuff You Should Know - How Bitcoin Works▲60
World's 1st decentralized, anarchistic all-digital currency!
2015 · its alternatives →
24
Jobs in Crypto▲59
Find your new job in Blockchain
2019 · jobsincrypto.co · 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 →