jm ×"ÖpUô$3qU¦ê(@fìíÙSÙ®<ÔLª(The first of its kind, paid to heat your own house by mining rewards & If possible, the mining rigs could be re-designed in such a way to also heat house water supply!).
https://whatsonchain.com/tx/e290d437fa2e6a66cfdc9d0c5415646fa04d4ecca078277b5aefe86bf4bea34b