A blockchain-assisted hash-based signature schemeBuldas, Ahto; Laanoja, Risto; Truu, AhtoSecure IT Systems : 23rd Nordic Conference, NordSec 2018, Oslo, Norway, November 28–30, 2018 : proceedings2018 / p. 138–153 : ill https://doi.org/10.1007/978-3-030-03638-6_9 Conference Proceedings at Scopus Article at Scopus Conference Proceedings at WOS Article at WOS

Bounded pre-image awareness and the security of hash-tree keyless signaturesBuldas, Ahto; Laanoja, Risto; Laud, Peeter; Truu, AhtoProvable security : 8th International Conference, ProvSec 2014, Hong Kong, China, October 9-10, 2014 : proceedings2014 / p. 130-145 : ill https://doi.org/10.1007/978-3-319-12475-9_10 Conference proceeding at Scopus Article at Scopus Conference proceeding at WOS Article at WOS

Keyless signature infrastructure and PKI : hash-tree signatures in pre- and post-quantum worldBuldas, Ahto; Laanoja, Risto; Truu, AhtoInternational journal of services technology and management2017 / p. 117-130 : ill https://doi.org/10.1504/IJSTM.2017.10002708 Journal metrics at Scopus Article at Scopus

Keyless signatures' infrastructure: How to build global distributed hash-treesBuldas, Ahto; Kroonmaa, Andres; Laanoja, RistoSecure IT Systems : 18th Nordic Conference, NordSec 2013, Ilulissat, Greenland, October 18-21, 2013, Proceedings2013 / p. 313 - 320 https://doi.org/10.1007/978-3-642-41488-6_21 Conference Proceedings at Scopous Article at Scopus

A New approach to constructing digital dignature schemesBuldas, Ahto; Frisov, Denis; Laanoja, Risto; Lakk, Henri; Truu, AhtoAdvances in Information and Computer Security : 14th International Workshop on Security, IWSEC 2019, Tokyo, Japan, August 28–30, 2019 : proceedings2019 / p. 363-373 https://doi.org/10.1007/978-3-030-26834-3_21 Conference proceeding at Scopus Article at Scopus Conference proceeding at WOS Article at WOS

Security proofs for hash tree time-stamping using hash functions with small output sizeBuldas, Ahto; Laanoja, RistoInformation security and privacy : 18th Australasian Conference, ACISP 2013, Brisbane, Australia, July 1-3, 2013 : proceedings2013 / p. 235-250 : ill https://doi.org/10.1007/978-3-642-39059-3_16 Conference Proceedings at Scopus Article at Scopus

A server-assisted hash-based signature schemeBuldas, Ahto; Laanoja, Risto; Truu, AhtoSecure IT Systems : 22nd Nordic Conference, NordSec 2017, Tartu, Estonia, November 8-10, 2017 : proceedings2017 / p. 3-17 : ill https://doi.org/10.1007/978-3-319-70290-2_1 Conference proceedings at Scopus Article at Scopus Article at WOS

An ultra-scalable blockchain platform for universal asset tokenization : design and implementationBuldas, Ahto; Draheim, Dirk; Gault, Mike; Laanoja, Risto; Nagumo, Takehiko; Saarepera, Märt; Shah, Syed Attique; Simm, Joosep; Steiner, Jamie; Tammet, Tanel; Truu, AhtoIEEE Access2022 / p. 77284-77322 : ill https://doi.org/10.1109/ACCESS.2022.3192837 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Verified security of BLT signature schemeFirsov, Denis; Buldas, Ahto; Truu, Ahto; Laanoja, RistoCPP 2020 - Proceedings of the 9th ACM SIGPLAN International Conference on Certified Programs and Proofs, co-located with POPL 2020, New Orleans 20 January 2020 through 21 January 20202020 / p. 244-257 https://doi.org/10.1145/3372885.3373828