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Ecosystem Development Best Practices, and why we need to start with builders first | Devcon SEA

DevconThu, Oct 9, 2025, 12:00 AM

Given the myriad of chains out there, it is increasingly crucial for L2s to solidify their ecosystem building playbook and constantly refine it to win over (and more importantly, retain) users and builders. As an ecosystem builder in SEA (Thailand) who has worked with over 10 ecosystems including other L1s, on local, regional and global initiatives, I am excited to share the ins and outs of ecosystem building from a neutral perspective. Speaker(s): Nine Arnakorn Skill level: Beginner Track: Layer 2 Keywords: Layer 2s, DevRel, Best Practices, management, stakeholder Follow us: https://twitter.com/efdevcon, https://twitter.com/ethereum, https://warpcast.com/devcon Learn more about devcon: https://www.devcon.org/ Learn more about ethereum: https://ethereum.org/ Visit the https://archive.devcon.org/ to gain access to the entire library of Devcon talks with the ease of filtering, playlists, personalized suggestions, decentralized access on Swarm, IPFS and more. Devcon is the Ethereum conference for developers, researchers, thinkers, and makers. Devcon SEA was held in Bangkok, Thailand on Nov 12 - Nov 15, 2024. Devcon is organized and presented by the Ethereum Foundation. To find out more, please visit https://ethereum.foundation/

Transcript

[Music] [Music] all good afternoon guys so my name is nine I'm the Coan of symmetry and I'm also a fellow Tha here so it's a pleasure for us to welcome you to my home country and my hometown which is Bangkok so we excited to be here so yeah straight into my talk so as you can see from the talk title it's about ecosystem development so what I do at symmetry is basically we help chains to onboard more Builders and users from time so I figured this would be a good topic to touch on given Devcon so what exactly is ecosystem building so ecosystem building is basically a two marketplace right so side Marketplace so you when you're building chains you need both Builders and users and you didn't both add really strategic timings a chain cannot function with one or another so it's basically a shien and egg problem but actually if you actually look at the data if you actually go down and dig into the history and how each ecosystems came about whether it's ethereum align or not out EVMS whatever that may be what's actually the key is Builders not users and what I mean by that is if you think about your typical user Journey right when you try out new Shan why did you actually go to that new particular why do you actually go to arbitrum why would you actually go to optimism base whatever that may be because you have maybe you went there to try a new flagship app a net new application that you would like to use which wasn't present anywhere else in another chain these applications would then therefore Define the Shan identity so if you think about optimism obviously the word public goods pop into mind if you think about arbitrum probably defi if you think about base probably consumer but how do we actually onboard these great app Builders so we need to think about what Builders actually want what do Builders want right so they want to unboard more users at low customer acquisition cost of CKC and how can chains help them do that so there's two ways you either help builders on board users directly or you give Builder more resources so that they can do more within that chain which effectively lower CAC from them so how do we actually do that we actually see two successful approaches on the chains that we work with first you own what new net new users all the directly to the chain itself a great example of this is mantle so what mantle did instead of going circle jerking around and onboarding the same set of users and what they did is they partner up with the firm called and Alpha and they help onboard idle bcity on chain by creating Structured Products around them such as fbtc which is quite interesting and I think this is a good way to onboard net new liquidity into the chain which is more helpful for Builders another way is to do directed campaigns so if you think about like a new Chain's launching out you have all these new applications you can try on right what's best and optimal for both the chain itself and also the the build building on that chain is to help direct user activity onto these applications so a good example example might be linear park or even last season 2 but if you go into that like there's also a couple of different Frameworks on how a Shain can actually support builders in a more Hands-On Manner and you you often see this sort of dilemma play out into different ecosystems that you see out there especially the al2s there's the curation approach and the education approach for curation you just working with select number of Builders I'll select teams and just doubling down them and then on the other end of Spectrum you have

Automatic transcript — names and jargon may be misspelled.