0x will award two prizes. One prize to the team with the most innovative of the of 0x protocol (Most Innovative Product), and one prize to the team with the most compelling prototype using the 0x protocol (Best Product Execution). The prize for both winning teams will be $2,500 in ZRX tokens.

A total of up to 3 ETH will be awarded by Aragon. The aragonOS framework enables fully upgradeable DApps and puts a strong emphasis on governance and re-usability. Aragon is awarding three prizes for building with it: Best Aragon App or Integration (two prizes) and Best Proposal (one prize).

More specific details here! https://docs.google.com/document/d/11An4QyQFzzJhFU6ZUkyCfooETvvt8qLLoaQMVoZ5Tug/edit#

Bounties.network is offering 1 ETH to the team that builds your own bounty network. For more information, see this post: https://medium.com/bounties-network/start-your-very-own-bounty-network-at-ethdenver-9dd89de374b

Cellarius is offering 4 prizes at for a total of $5000. They are:

TECHNOLOGY:
1) Configure NodeBB (https://nodebb.org/) to use Metamask (https://metamask.io/) for user registration and posting
STORY:
2) Submit a ~2,500 word story set during the “Digital Golden Age,” focused on the global shift to a “Maker Economy”
3) Submit a ~2,500 word story set during the “Reformation,” focused on humanity’s survival in a world without power
DESIGN
4) Art for any of the Factions described in the Universe Guide (x2)

CryptoKitties is offering two prizes: [1st Place: 1ETH + 1 gen0 CryptoKitty. 2nd Place: 0.5ETH + 1 gen1 CryptoKitty] Projects will be judged on: Use of ERC 721, Originality, User Interface, Simplicity in Design, Technical Complexity, WOW factor. We're especially excited by teams who have creative ideas in the blockchain space and who think outside the box in terms of art on the blockchain, with focus on extensibility, personalization or interactivity.

DAOStack is offering 3 prizes for a total of $5000 in ETH. Please find a full description of DAOstack's ETHDenver bounties at https://medium.com/daostack/announcing-the-daostack-bounties-for-ethdenver-335d78ec8cbb

Two prizes, $750 each! Helping absentee voting and reducing processing overhead. See more details here: https://docs.google.com/document/d/1s7YpW7Du4nFjAzaSAK_yrGE6GTOHDVAeZQYHkKlgk8Q/edit

Dharma is offering one prize worth 3 ETH to the best application built on top of Dharma protocol at the event. Projects will be evaluated based on their creativity and impact on the decentralized financial ecosystem.

See here for details: https://medium.com/@brendanforster/dharma-offering-3000-usd-prize-at-ethdenver-23e87aa7d85b

ERC dEX will award 888 ZRX to the person/team that best utilizes the Aqueduct SDK (https://aqueduct.ercdex.com) to build an automated trading bot, a trading UI, or any other creative application.

 Submissions will be judged on:
 - Creativity
 - Marketability
 - Completeness of solution
 - Quality and elegance of technical solution

Gitcoin is offering 5 ETH across a variety of bounties! The long form descriptions for our bounties are available at https://github.com/gitcoinco/ethdenver/issues

IBN will award one $1500 prize for the team to produce the most intuitive, effective and enjoyable User Experience.

Judging specifics: We will grade each project on a scale of 1 - 5 for each of the categories in the 5 specific sections. The team with the highest combined score will be awarded the prize. Find full criteria here: https://drive.google.com/file/d/1DyWUyMIe26zq13turjCBg4c4dTkYva9g/view?usp=sharing"

A total of up to 5 MKR will be awarded to the team that best utilizes Dai in their application. We are looking for innovative use cases and solid MVP’s. See more details here: https://medium.com/@MakerDAO/makerdao-is-sponsoring-ethdenver-f6b596285301

2.5ETH for each prize, 4 prizes total. Prizes given for: 1) Most innovative use of the NuCypher KMS protocol (2x); 2) Most compelling/prototype implementation of an app using the NuCypher KMS protocol (2x). More info on Github https://github.com/nucypher/ETHDenver-2018 and live chat: https://discord.gg/7rmXa3S

POA will award three prizes ($3000, $2000 and $1000 in POA tokens) to the teams with the most innovative use cases, solid MVPs and that best utilize the POA Network.

Offering $1,000 to the project most likely to give power back to a marginalized group.

Status will award 1.5 ETH across 4 prizes. The first two bounties will be based in our go-ethereum fork and be discussed at the event; the second two will be aimed at developers wanting to create DApps for mobile or an interesting use-case for the ethereum blockchain. You can find out more about our bounty tracks at our booth at ETHDenver, and they will be posted as issues through our GitHub https://github.com/status-im/ETHDenver and https://github.com/status-im/status-go with the ETHDenver label attached.

API PRIZE: $1500 USD in STORJ tokens (across 3 teams).
Hackers that use of API + a tutorial can get $50 USD in STORJ tokens + swag.
other hackers that use of API only: $10 USD in STORJ tokens

API Sample Challenge Descriptions:
***CREATIVITY IS IMPORTANT *****
BELOW ARE JUST SAMPLE IDEAS
Make a imgur clone using libstorj-node for string everything people upload
Dropbox frontend using libstorj-node
Make data sharing app
Make an app so cool that Alex1 is impressed
https://github.com/Storj/sips/blob/master/sip-0008.md

Toshi is offering one 1.5 ETH prize for the Best Mobile Compatible DApp. Requirements:
- Web3-based DApp that works on Toshi
- Does not have to be mobile first, but the user experience on mobile should be excellent
- Points awarded for highest impact, most innovative, use of blockchain

1.5 ETH, divided in three ways among:

- Best use of OpenZeppelin smart contract framework
- Best contribution to the OpenZeppelin repo
- Best prototype of ideas described in the zeppelin_os whitepaper (https://zeppelinos.org/)

ETHDenver does not have an overall 1st, 2nd, and 3rd place team. Instead, we will have 7 judging groups. Each group will select a 1st place and 2nd place team. The top 7 teams will be celebrated on stage!