A. Zamyatin et al., “SoK: Communication across distributed ledgers,” in 25th International Conference on Financial Cryptography and Data Security, Virtual, 2021, vol. 12675, pp. 3–36.

Z. Avarikioti, E. Kokoris Kogias, R. Wattenhofer, and D. Zindros, “Brick: Asynchronous incentive-compatible payment channels,” in 25th International Conference on Financial Cryptography and Data Security, Virtual, 2021, vol. 12675, pp. 209–230.