freicoin.ru — a browser wallet and non-custodial BTC↔FRC exchange for Freicoin. Live on mainnet.Why FreicoinFreicoin is one of the oldest altcoins still running — launched in December 2012 with an economic design that is still unique:
- Demurrage instead of hoarding. Balances carry a small holding fee (~4.4%/year), an idea going back to economist Silvio Gesell: money is meant to circulate, not to sit. Saving is what Bitcoin is for; Freicoin is built to be spent.
- A security budget that never runs out. The demurrage doesn't vanish — it is recycled to miners. Where Bitcoin's block subsidy halves toward zero and leaves security to a future fee market, Freicoin pays its miners the same way forever. No cliff, no death-spiral debate.
- Bitcoin-grade mining. Freicoin is SHA-256 merged-mined: any Bitcoin miner can mine it at zero marginal cost, and the chain inherits Bitcoin's hardware ecosystem.
- A fixed supply. 100M FRC, forever — demurrage recycles value, it doesn't inflate.
A 13-year-old chain with working code, an unusual but coherent monetary theory, and (as of this week) modern tooling.
What I builtfreicoin.ru — an open-source wallet that runs entirely in your browser. 12 words, keys never leave the device. It is a real light client: it verifies headers, merged-mining proofs-of-work and block filters itself, so the servers behind it can censor but can never lie or steal. First sync takes about a second; works on phones, installs as an app.
Balances are demurrage-aware out of the box — you always see the true present value of your coins.
Buy FRC without an exchangeThe wallet has a built-in P2P exchange doing
non-custodial atomic swaps BTC↔FRC on mainnet: funds move straight between the two chains with no middleman in custody — a swap can only end in two ways, fully settled or fully refunded. The first real trades settled this week; there is a live ask on the book right now (currently tighter than the FreiExchange order book), plus trade history with a price chart.
Disclosure: this is my project, and the market-making bot on the book is mine as well. The protocol requires trusting neither.
Verify, don't trustThe site build is reproducible — one command proves it serves exactly the code from the public repo:
git clone https://github.com/denisov-k/freicoin-wallet
cd freicoin-wallet && bash scripts/verify-build.sh
Code:
github.com/denisov-k/freicoin-walletBlock explorer:
freicoin.ru/explorerThere is more inside for the curious — user-issued assets and a miner-matched DEX (the 2013 "Freimarkets" design) running on an experimental chain with free test coins — but the wallet and the mainnet swap are the point.
https://talkimg.com/images/2026/07/21/UhRjCf.pnghttps://talkimg.com/images/2026/07/21/UhR1i8.pnghttps://talkimg.com/images/2026/07/21/UhRrYZ.pngFeedback, bug reports and adversarial testing are very welcome. This thread is the project's home — updates will be posted here.
